525023345 has 32 divisors (see below), whose sum is σ = 796594176. Its totient is φ = 322660800.

The previous prime is 525023329. The next prime is 525023381. The reversal of 525023345 is 543320525.

It is not a de Polignac number, because 525023345 - 2⁴ = 525023329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17732 + ... + 36938.

It is an arithmetic number, because the mean of its divisors is an integer number (24893568).

Almost surely, 2^525023345 is an apocalyptic number.

525023345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525023345 is a deficient number, since it is larger than the sum of its proper divisors (271570831).

525023345 is a wasteful number, since it uses less digits than its factorization.

525023345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19301.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 525023345 is about 22913.3878987809. The cubic root of 525023345 is about 806.7262801340.

The spelling of 525023345 in words is "five hundred twenty-five million, twenty-three thousand, three hundred forty-five".