32870425 has 18 divisors (see below), whose sum is σ = 47415678. Its totient is φ = 22538880.

The previous prime is 32870419. The next prime is 32870429. The reversal of 32870425 is 52407823.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 32867289 = 56^2 + 5733^2 .

It is not a de Polignac number, because 32870425 - 2⁷ = 32870297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32870429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12192 + ... + 14641.

Almost surely, 2^32870425 is an apocalyptic number.

32870425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32870425 is a deficient number, since it is larger than the sum of its proper divisors (14545253).

32870425 is a wasteful number, since it uses less digits than its factorization.

32870425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26857 (or 26845 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 32870425 is about 5733.2734977498. The cubic root of 32870425 is about 320.3330679238. Note that the first 3 decimals are identical.

The spelling of 32870425 in words is "thirty-two million, eight hundred seventy thousand, four hundred twenty-five".