25086490 has 64 divisors (see below), whose sum is σ = 54214272. Its totient is φ = 8236800.

The previous prime is 25086487. The next prime is 25086493. The reversal of 25086490 is 9468052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25086487) and next prime (25086493).

It is not an unprimeable number, because it can be changed into a prime (25086493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75625 + ... + 75955.

It is an arithmetic number, because the mean of its divisors is an integer number (847098).

Almost surely, 2^25086490 is an apocalyptic number.

25086490 is an abundant number, since it is smaller than the sum of its proper divisors (29127782).

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

25086490 is a wasteful number, since it uses less digits than its factorization.

25086490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 25086490 is about 5008.6415323918. The cubic root of 25086490 is about 292.7385834361.

It can be divided in two parts, 2508 and 6490, that added together give a palindrome (8998).

The spelling of 25086490 in words is "twenty-five million, eighty-six thousand, four hundred ninety".