2398550625 has 45 divisors (see below), whose sum is σ = 4335970639. Its totient is φ = 1277268000.

The previous prime is 2398550611. The next prime is 2398550629. The reversal of 2398550625 is 5260558932.

The square root of 2398550625 is 48975.

It is a perfect power (a square), and thus also a powerful number.

2398550625 is a `hidden beast` number, since 2 + 3 + 98 + 550 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 2284744401 + 113806224 = 47799^2 + 10668^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 2398550625 - 2⁵ = 2398550593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2398550629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3672799 + ... + 3673451.

Almost surely, 2^2398550625 is an apocalyptic number.

2398550625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2398550625 is the 48975-th square number.

2398550625 is the 24488-th centered octagonal number.

It is an amenable number.

2398550625 is a deficient number, since it is larger than the sum of its proper divisors (1937420014).

2398550625 is an frugal number, since it uses more digits than its factorization.

2398550625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The cubic root of 2398550625 is about 1338.5963293969.

The spelling of 2398550625 in words is "two billion, three hundred ninety-eight million, five hundred fifty thousand, six hundred twenty-five".