1521052464 has 40 divisors (see below), whose sum is σ = 3932038512. Its totient is φ = 506675200.

The previous prime is 1521052447. The next prime is 1521052469. The reversal of 1521052464 is 4642501251.

It is not an unprimeable number, because it can be changed into a prime (1521052469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66952 + ... + 86744.

Almost surely, 2^1521052464 is an apocalyptic number.

It is an amenable number.

1521052464 is an abundant number, since it is smaller than the sum of its proper divisors (2410986048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1521052464 is a wasteful number, since it uses less digits than its factorization.

1521052464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21405 (or 21399 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1521052464 is about 39000.6726095846. The cubic root of 1521052464 is about 1150.0447276869.

The spelling of 1521052464 in words is "one billion, five hundred twenty-one million, fifty-two thousand, four hundred sixty-four".