25125087 has 32 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 14273280.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125087 is 78052152.

It is not a de Polignac number, because 25125087 - 2² = 25125083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29968 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^25125087 is an apocalyptic number.

25125087 is a deficient number, since it is larger than the sum of its proper divisors (13824033).

25125087 is a wasteful number, since it uses less digits than its factorization.

25125087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 25125087 is about 5012.4930922646. The cubic root of 25125087 is about 292.8886381923. Note that the first 3 decimals are identical.

The spelling of 25125087 in words is "twenty-five million, one hundred twenty-five thousand, eighty-seven".