1497525137 has 4 divisors (see below), whose sum is σ = 1512064320. Its totient is φ = 1482985956.

The previous prime is 1497525103. The next prime is 1497525149. The reversal of 1497525137 is 7315257941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7315257941 = 3023 ⋅2419867.

It is a cyclic number.

It is not a de Polignac number, because 1497525137 - 2²⁴ = 1480747921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497525187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7269437 + ... + 7269642.

It is an arithmetic number, because the mean of its divisors is an integer number (378016080).

Almost surely, 2^1497525137 is an apocalyptic number.

It is an amenable number.

1497525137 is a deficient number, since it is larger than the sum of its proper divisors (14539183).

1497525137 is a wasteful number, since it uses less digits than its factorization.

1497525137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14539182.

The product of its digits is 264600, while the sum is 44.

The square root of 1497525137 is about 38697.8699284599. The cubic root of 1497525137 is about 1144.0843380147.

The spelling of 1497525137 in words is "one billion, four hundred ninety-seven million, five hundred twenty-five thousand, one hundred thirty-seven".