25465345 has 4 divisors (see below), whose sum is σ = 30558420. Its totient is φ = 20372272.

The previous prime is 25465333. The next prime is 25465351. The reversal of 25465345 is 54356452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 17032129 = 2904^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 25465345 - 2⁹ = 25464833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25465345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546530 + ... + 2546539.

It is an arithmetic number, because the mean of its divisors is an integer number (7639605).

Almost surely, 2^25465345 is an apocalyptic number.

It is an amenable number.

25465345 is a deficient number, since it is larger than the sum of its proper divisors (5093075).

25465345 is an equidigital number, since it uses as much as digits as its factorization.

25465345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093074.

The product of its digits is 72000, while the sum is 34.

The square root of 25465345 is about 5046.3199462579. The cubic root of 25465345 is about 294.2048682377.

The spelling of 25465345 in words is "twenty-five million, four hundred sixty-five thousand, three hundred forty-five".