525464731 has 16 divisors (see below), whose sum is σ = 582542208. Its totient is φ = 469972800.

The previous prime is 525464729. The next prime is 525464759. The reversal of 525464731 is 137464525.

It is not a de Polignac number, because 525464731 - 2¹ = 525464729 is a prime.

It is a super-2 number, since 2×525464731² = 552226367049804722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525461731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554400 + ... + 555346.

It is an arithmetic number, because the mean of its divisors is an integer number (36408888).

Almost surely, 2^525464731 is an apocalyptic number.

525464731 is a deficient number, since it is larger than the sum of its proper divisors (57077477).

525464731 is a wasteful number, since it uses less digits than its factorization.

525464731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its digits is 100800, while the sum is 37.

The square root of 525464731 is about 22923.0174933406. The cubic root of 525464731 is about 806.9522878289.

The spelling of 525464731 in words is "five hundred twenty-five million, four hundred sixty-four thousand, seven hundred thirty-one".