525213355 has 16 divisors (see below), whose sum is σ = 641592864. Its totient is φ = 412634880.

The previous prime is 525213343. The next prime is 525213361. The reversal of 525213355 is 553312525.

It is a de Polignac number, because none of the positive numbers 2^k-525213355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314232 + ... + 315898.

It is an arithmetic number, because the mean of its divisors is an integer number (40099554).

Almost surely, 2^525213355 is an apocalyptic number.

525213355 is a deficient number, since it is larger than the sum of its proper divisors (116379509).

525213355 is a wasteful number, since it uses less digits than its factorization.

525213355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its digits is 22500, while the sum is 31.

The square root of 525213355 is about 22917.5337896555. The cubic root of 525213355 is about 806.8235885514.

The spelling of 525213355 in words is "five hundred twenty-five million, two hundred thirteen thousand, three hundred fifty-five".