2449490725 has 18 divisors (see below), whose sum is σ = 3338599250. Its totient is φ = 1781445600.

The previous prime is 2449490723. The next prime is 2449490741. The reversal of 2449490725 is 5270949442.

It can be written as a sum of positive squares in 3 ways, for example, as 110124036 + 2339366689 = 10494^2 + 48367^2 .

It is not a de Polignac number, because 2449490725 - 2¹ = 2449490723 is a prime.

It is a super-2 number, since 2×2449490725² = 12000009623722051250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449490723) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 401850 + ... + 407899.

Almost surely, 2^2449490725 is an apocalyptic number.

2449490725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2449490725 is a deficient number, since it is larger than the sum of its proper divisors (889108525).

2449490725 is a wasteful number, since it uses less digits than its factorization.

2449490725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809781 (or 809765 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2449490725 is about 49492.3299613182. The cubic root of 2449490725 is about 1348.0063347755.

The spelling of 2449490725 in words is "two billion, four hundred forty-nine million, four hundred ninety thousand, seven hundred twenty-five".