34520625 has 90 divisors (see below), whose sum is σ = 69629274. Its totient is φ = 16416000.

The previous prime is 34520621. The next prime is 34520653. The reversal of 34520625 is 52602543.

34520625 = T₁₃₅ + T₁₃₆ + ... + T₅₉₃.

34520625 is a `hidden beast` number, since 34 + 5 + 2 + 0 + 625 = 666.

34520625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 8785296 + 25735329 = 2964^2 + 5073^2 .

It is not a de Polignac number, because 34520625 - 2² = 34520621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34520621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1816866 + ... + 1816884.

Almost surely, 2^34520625 is an apocalyptic number.

It is an amenable number.

34520625 is an abundant number, since it is smaller than the sum of its proper divisors (35108649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34520625 is a wasteful number, since it uses less digits than its factorization.

34520625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 34520625 is about 5875.4255165052. The cubic root of 34520625 is about 325.6063630542.

The spelling of 34520625 in words is "thirty-four million, five hundred twenty thousand, six hundred twenty-five".