1520397082 has 8 divisors (see below), whose sum is σ = 2283181056. Its totient is φ = 759336732.

The previous prime is 1520397079. The next prime is 1520397101. The reversal of 1520397082 is 2807930251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1520397082² = 4623214573908229448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428698 + ... + 432229.

It is an arithmetic number, because the mean of its divisors is an integer number (285397632).

Almost surely, 2^1520397082 is an apocalyptic number.

1520397082 is a deficient number, since it is larger than the sum of its proper divisors (762783974).

1520397082 is an equidigital number, since it uses as much as digits as its factorization.

1520397082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861812.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1520397082 is about 38992.2695158925. The cubic root of 1520397082 is about 1149.8795291572.

The spelling of 1520397082 in words is "one billion, five hundred twenty million, three hundred ninety-seven thousand, eighty-two".