25398345 has 64 divisors (see below), whose sum is σ = 50688000. Its totient is φ = 10596096.

The previous prime is 25398341. The next prime is 25398353. The reversal of 25398345 is 54389352.

25398345 = 112² + 113² + ... + 426².

It is not a de Polignac number, because 25398345 - 2² = 25398341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25398341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57636 + ... + 58074.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^25398345 is an apocalyptic number.

It is an amenable number.

25398345 is a deficient number, since it is larger than the sum of its proper divisors (25289655).

25398345 is a wasteful number, since it uses less digits than its factorization.

25398345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its digits is 129600, while the sum is 39.

The square root of 25398345 is about 5039.6770729879. The cubic root of 25398345 is about 293.9466213425.

The spelling of 25398345 in words is "twenty-five million, three hundred ninety-eight thousand, three hundred forty-five".