1478492531 has 2 divisors, whose sum is σ = 1478492532. Its totient is φ = 1478492530.

The previous prime is 1478492503. The next prime is 1478492549. The reversal of 1478492531 is 1352948741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1478492531 - 2¹⁴ = 1478476147 is a prime.

It is a super-2 number, since 2×1478492531² = 4371880328445571922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1478492231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739246265 + 739246266.

It is an arithmetic number, because the mean of its divisors is an integer number (739246266).

Almost surely, 2^1478492531 is an apocalyptic number.

1478492531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478492531 is an equidigital number, since it uses as much as digits as its factorization.

1478492531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 1478492531 is about 38451.1707364028. The cubic root of 1478492531 is about 1139.2167932720.

The spelling of 1478492531 in words is "one billion, four hundred seventy-eight million, four hundred ninety-two thousand, five hundred thirty-one".