151564625 has 8 divisors (see below), whose sum is σ = 189152808. Its totient is φ = 121251600.

The previous prime is 151564619. The next prime is 151564661. The reversal of 151564625 is 526465151.

It can be written as a sum of positive squares in 4 ways, for example, as 38950081 + 112614544 = 6241^2 + 10612^2 .

It is not a de Polignac number, because 151564625 - 2⁶ = 151564561 is a prime.

It is a Duffinian number.

It is a Curzon 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, 606134 + ... + 606383.

It is an arithmetic number, because the mean of its divisors is an integer number (23644101).

Almost surely, 2^151564625 is an apocalyptic number.

It is an amenable number.

151564625 is a deficient number, since it is larger than the sum of its proper divisors (37588183).

151564625 is an equidigital number, since it uses as much as digits as its factorization.

151564625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212532 (or 1212522 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 151564625 is about 12311.1585563667. The cubic root of 151564625 is about 533.1703006457.

The spelling of 151564625 in words is "one hundred fifty-one million, five hundred sixty-four thousand, six hundred twenty-five".