234520025 has 12 divisors (see below), whose sum is σ = 292931772. Its totient is φ = 186243840.

The previous prime is 234520009. The next prime is 234520037. The reversal of 234520025 is 520025432.

It can be written as a sum of positive squares in 6 ways, for example, as 23921881 + 210598144 = 4891^2 + 14512^2 .

It is not a de Polignac number, because 234520025 - 2⁴ = 234520009 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 11 ways as a sum of consecutive naturals, for example, 30812 + ... + 37661.

It is an arithmetic number, because the mean of its divisors is an integer number (24410981).

Almost surely, 2^234520025 is an apocalyptic number.

234520025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234520025 is a deficient number, since it is larger than the sum of its proper divisors (58411747).

234520025 is a wasteful number, since it uses less digits than its factorization.

234520025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68620 (or 68615 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 234520025 is about 15314.0466565830. The cubic root of 234520025 is about 616.6801612176.

Adding to 234520025 its reverse (520025432), we get a palindrome (754545457).

The spelling of 234520025 in words is "two hundred thirty-four million, five hundred twenty thousand, twenty-five".