1520452312 has 8 divisors (see below), whose sum is σ = 2850848100. Its totient is φ = 760226152.

The previous prime is 1520452289. The next prime is 1520452327. The reversal of 1520452312 is 2132540251.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1520452312² = 4623550466132290688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95028262 + ... + 95028277.

Almost surely, 2^1520452312 is an apocalyptic number.

It is an amenable number.

1520452312 is a deficient number, since it is larger than the sum of its proper divisors (1330395788).

1520452312 is a wasteful number, since it uses less digits than its factorization.

1520452312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190056545 (or 190056541 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1520452312 is about 38992.9777267651. The cubic root of 1520452312 is about 1149.8934525105.

Adding to 1520452312 its reverse (2132540251), we get a palindrome (3652992563).

The spelling of 1520452312 in words is "one billion, five hundred twenty million, four hundred fifty-two thousand, three hundred twelve".