1497719131 has 2 divisors, whose sum is σ = 1497719132. Its totient is φ = 1497719130.

The previous prime is 1497719117. The next prime is 1497719141. The reversal of 1497719131 is 1319177941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1497719131 - 2⁹ = 1497718619 is a prime.

It is a super-2 number, since 2×1497719131² = 4486325190726790322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1497719141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748859565 + 748859566.

It is an arithmetic number, because the mean of its divisors is an integer number (748859566).

Almost surely, 2^1497719131 is an apocalyptic number.

1497719131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497719131 is an equidigital number, since it uses as much as digits as its factorization.

1497719131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 43.

The square root of 1497719131 is about 38700.3763676789. The cubic root of 1497719131 is about 1144.1337386131.

The spelling of 1497719131 in words is "one billion, four hundred ninety-seven million, seven hundred nineteen thousand, one hundred thirty-one".