88561625 has 8 divisors (see below), whose sum is σ = 110525064. Its totient is φ = 70849200.

The previous prime is 88561601. The next prime is 88561643. The reversal of 88561625 is 52616588.

It can be written as a sum of positive squares in 4 ways, for example, as 595984 + 87965641 = 772^2 + 9379^2 .

It is not a de Polignac number, because 88561625 - 2¹² = 88557529 is a prime.

It is a super-2 number, since 2×88561625² = 15686322845281250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354122 + ... + 354371.

It is an arithmetic number, because the mean of its divisors is an integer number (13815633).

Almost surely, 2^88561625 is an apocalyptic number.

It is an amenable number.

88561625 is a deficient number, since it is larger than the sum of its proper divisors (21963439).

88561625 is an equidigital number, since it uses as much as digits as its factorization.

88561625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708508 (or 708498 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 88561625 is about 9410.7186229320. The cubic root of 88561625 is about 445.7402567705.

The spelling of 88561625 in words is "eighty-eight million, five hundred sixty-one thousand, six hundred twenty-five".