87025545 has 24 divisors (see below), whose sum is σ = 151062912. Its totient is φ = 46346400.

The previous prime is 87025541. The next prime is 87025553. The reversal of 87025545 is 54552078.

It is a happy number.

It is not a de Polignac number, because 87025545 - 2² = 87025541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87025541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54610 + ... + 56180.

It is an arithmetic number, because the mean of its divisors is an integer number (6294288).

Almost surely, 2^87025545 is an apocalyptic number.

It is an amenable number.

87025545 is a deficient number, since it is larger than the sum of its proper divisors (64037367).

87025545 is a wasteful number, since it uses less digits than its factorization.

87025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 87025545 is about 9328.7483083209. The cubic root of 87025545 is about 443.1481261674.

The spelling of 87025545 in words is "eighty-seven million, twenty-five thousand, five hundred forty-five".