1497977533 has 16 divisors (see below), whose sum is σ = 1629182016. Its totient is φ = 1369105920.

The previous prime is 1497977527. The next prime is 1497977587. The reversal of 1497977533 is 3357797941.

It is not a de Polignac number, because 1497977533 - 2⁵ = 1497977501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497977333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145466 + ... + 1146772.

It is an arithmetic number, because the mean of its divisors is an integer number (101823876).

Almost surely, 2^1497977533 is an apocalyptic number.

1497977533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1497977533 is a deficient number, since it is larger than the sum of its proper divisors (131204483).

1497977533 is a wasteful number, since it uses less digits than its factorization.

1497977533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 5000940, while the sum is 55.

The square root of 1497977533 is about 38703.7147183575. The cubic root of 1497977533 is about 1144.1995340927.

The spelling of 1497977533 in words is "one billion, four hundred ninety-seven million, nine hundred seventy-seven thousand, five hundred thirty-three".