1515252764 has 12 divisors (see below), whose sum is σ = 2653363944. Its totient is φ = 757148784.

The previous prime is 1515252737. The next prime is 1515252769. The reversal of 1515252764 is 4672525151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515252769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112214 + ... + 124989.

It is an arithmetic number, because the mean of its divisors is an integer number (221113662).

Almost surely, 2^1515252764 is an apocalyptic number.

It is an amenable number.

1515252764 is a deficient number, since it is larger than the sum of its proper divisors (1138111180).

1515252764 is a wasteful number, since it uses less digits than its factorization.

1515252764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238804 (or 238802 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 1515252764 is about 38926.2477513567. The cubic root of 1515252764 is about 1148.5811775195.

The spelling of 1515252764 in words is "one billion, five hundred fifteen million, two hundred fifty-two thousand, seven hundred sixty-four".