85410625 has 10 divisors (see below), whose sum is σ = 106729898. Its totient is φ = 68328000.

The previous prime is 85410623. The next prime is 85410631. The reversal of 85410625 is 52601458.

It can be written as a sum of positive squares in 5 ways, for example, as 27468081 + 57942544 = 5241^2 + 7612^2 .

It is not a de Polignac number, because 85410625 - 2¹ = 85410623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85410623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67704 + ... + 68953.

Almost surely, 2^85410625 is an apocalyptic number.

It is an amenable number.

85410625 is a deficient number, since it is larger than the sum of its proper divisors (21319273).

85410625 is an equidigital number, since it uses as much as digits as its factorization.

85410625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136677 (or 136662 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85410625 is about 9241.7868943187. The cubic root of 85410625 is about 440.3898490429.

The spelling of 85410625 in words is "eighty-five million, four hundred ten thousand, six hundred twenty-five".