1457957537 has 4 divisors (see below), whose sum is σ = 1458035376. Its totient is φ = 1457879700.

The previous prime is 1457957483. The next prime is 1457957539. The reversal of 1457957537 is 7357597541.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457957537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457957539) 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, 8162 + ... + 54612.

It is an arithmetic number, because the mean of its divisors is an integer number (364508844).

Almost surely, 2^1457957537 is an apocalyptic number.

It is an amenable number.

1457957537 is a deficient number, since it is larger than the sum of its proper divisors (77839).

1457957537 is an equidigital number, since it uses as much as digits as its factorization.

1457957537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77838.

The product of its digits is 4630500, while the sum is 53.

The square root of 1457957537 is about 38183.2101452982. The cubic root of 1457957537 is about 1133.9179365624.

The spelling of 1457957537 in words is "one billion, four hundred fifty-seven million, nine hundred fifty-seven thousand, five hundred thirty-seven".