527431345 has 24 divisors (see below), whose sum is σ = 738949824. Its totient is φ = 360341856.

The previous prime is 527431327. The next prime is 527431361. The reversal of 527431345 is 543134725.

It is not a de Polignac number, because 527431345 - 2⁵ = 527431313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 527431345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65532 + ... + 73138.

It is an arithmetic number, because the mean of its divisors is an integer number (30789576).

Almost surely, 2^527431345 is an apocalyptic number.

It is an amenable number.

527431345 is a deficient number, since it is larger than the sum of its proper divisors (211518479).

527431345 is a wasteful number, since it uses less digits than its factorization.

527431345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909 (or 7902 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 527431345 is about 22965.8734865452. The cubic root of 527431345 is about 807.9577393714.

The spelling of 527431345 in words is "five hundred twenty-seven million, four hundred thirty-one thousand, three hundred forty-five".