87436025 has 12 divisors (see below), whose sum is σ = 108570432. Its totient is φ = 69852240.

The previous prime is 87436021. The next prime is 87436033. The reversal of 87436025 is 52063478.

It is a happy number.

It is not a de Polignac number, because 87436025 - 2² = 87436021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87436021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20204 + ... + 24146.

It is an arithmetic number, because the mean of its divisors is an integer number (9047536).

Almost surely, 2^87436025 is an apocalyptic number.

It is an amenable number.

87436025 is a deficient number, since it is larger than the sum of its proper divisors (21134407).

87436025 is a wasteful number, since it uses less digits than its factorization.

87436025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 87436025 is about 9350.7232340606. The cubic root of 87436025 is about 443.8437770465.

The spelling of 87436025 in words is "eighty-seven million, four hundred thirty-six thousand, twenty-five".