25630361 has 8 divisors (see below), whose sum is σ = 26080704. Its totient is φ = 25182640.

The previous prime is 25630357. The next prime is 25630379. The reversal of 25630361 is 16303652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25630361 - 2² = 25630357 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25630361.

It is not an unprimeable number, because it can be changed into a prime (25630351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32771 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (3260088).

Almost surely, 2^25630361 is an apocalyptic number.

It is an amenable number.

25630361 is a deficient number, since it is larger than the sum of its proper divisors (450343).

25630361 is an equidigital number, since it uses as much as digits as its factorization.

25630361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 25630361 is about 5062.6436769735. The cubic root of 25630361 is about 294.8389851953.

The spelling of 25630361 in words is "twenty-five million, six hundred thirty thousand, three hundred sixty-one".