34520025 has 12 divisors (see below), whose sum is σ = 57073232. Its totient is φ = 18410640.

The previous prime is 34520023. The next prime is 34520029. The reversal of 34520025 is 52002543.

It is not a de Polignac number, because 34520025 - 2¹ = 34520023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34519983 and 34520010.

It is not an unprimeable number, because it can be changed into a prime (34520023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230059 + ... + 230208.

Almost surely, 2^34520025 is an apocalyptic number.

It is an amenable number.

34520025 is a deficient number, since it is larger than the sum of its proper divisors (22553207).

34520025 is a wasteful number, since it uses less digits than its factorization.

34520025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460280 (or 460275 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 34520025 is about 5875.3744561517. The cubic root of 34520025 is about 325.6044765979.

Adding to 34520025 its reverse (52002543), we get a palindrome (86522568).

The spelling of 34520025 in words is "thirty-four million, five hundred twenty thousand, twenty-five".