25690995 has 96 divisors (see below), whose sum is σ = 53374464. Its totient is φ = 11289600.

The previous prime is 25690993. The next prime is 25690997. The reversal of 25690995 is 59909652.

It is an interprime number because it is at equal distance from previous prime (25690993) and next prime (25690997).

It is not a de Polignac number, because 25690995 - 2¹ = 25690993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25690995.

It is not an unprimeable number, because it can be changed into a prime (25690991) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361810 + ... + 361880.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

Almost surely, 2^25690995 is an apocalyptic number.

25690995 is an abundant number, since it is smaller than the sum of its proper divisors (27683469).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25690995 is a wasteful number, since it uses less digits than its factorization.

25690995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 25690995 is about 5068.6285127241. The cubic root of 25690995 is about 295.0713032660.

The spelling of 25690995 in words is "twenty-five million, six hundred ninety thousand, nine hundred ninety-five".