1491295252 has 12 divisors (see below), whose sum is σ = 2723234976. Its totient is φ = 713228120.

The previous prime is 1491295241. The next prime is 1491295283. The reversal of 1491295252 is 2525921941.

It is a congruent number.

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, 8104774 + ... + 8104957.

It is an arithmetic number, because the mean of its divisors is an integer number (226936248).

Almost surely, 2^1491295252 is an apocalyptic number.

It is an amenable number.

1491295252 is a deficient number, since it is larger than the sum of its proper divisors (1231939724).

1491295252 is a wasteful number, since it uses less digits than its factorization.

1491295252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209758 (or 16209756 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 1491295252 is about 38617.2921370725. The cubic root of 1491295252 is about 1142.4956233283.

The spelling of 1491295252 in words is "one billion, four hundred ninety-one million, two hundred ninety-five thousand, two hundred fifty-two".