2321451225 has 48 divisors (see below), whose sum is σ = 4379898240. Its totient is φ = 1204632000.

The previous prime is 2321451149. The next prime is 2321451227. The reversal of 2321451225 is 5221541232.

It is not a de Polignac number, because 2321451225 - 2⁸ = 2321450969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2321451227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21501 + ... + 71450.

It is an arithmetic number, because the mean of its divisors is an integer number (91247880).

Almost surely, 2^2321451225 is an apocalyptic number.

2321451225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2321451225 is a deficient number, since it is larger than the sum of its proper divisors (2058447015).

2321451225 is a wasteful number, since it uses less digits than its factorization.

2321451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93007 (or 92996 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2321451225 is about 48181.4406696188. The cubic root of 2321451225 is about 1324.0971611519.

Adding to 2321451225 its reverse (5221541232), we get a palindrome (7542992457).

The spelling of 2321451225 in words is "two billion, three hundred twenty-one million, four hundred fifty-one thousand, two hundred twenty-five".