34025520 has 40 divisors (see below), whose sum is σ = 105479856. Its totient is φ = 9073408.

The previous prime is 34025503. The next prime is 34025521. The reversal of 34025520 is 2552043.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×34025520² = 2315472022540800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34025521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70647 + ... + 71126.

Almost surely, 2^34025520 is an apocalyptic number.

34025520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34025520 is an abundant number, since it is smaller than the sum of its proper divisors (71454336).

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

34025520 is a wasteful number, since it uses less digits than its factorization.

34025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141789 (or 141783 counting only the distinct ones).

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

The square root of 34025520 is about 5833.1398063136. The cubic root of 34025520 is about 324.0422136737.

Adding to 34025520 its reverse (2552043), we get a palindrome (36577563).

The spelling of 34025520 in words is "thirty-four million, twenty-five thousand, five hundred twenty".