10131457 has 4 divisors (see below), whose sum is σ = 11578816. Its totient is φ = 8684100.

The previous prime is 10131419. The next prime is 10131463. The reversal of 10131457 is 75413101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10131457 - 2¹⁵ = 10098689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131157) 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, 723669 + ... + 723682.

It is an arithmetic number, because the mean of its divisors is an integer number (2894704).

Almost surely, 2^10131457 is an apocalyptic number.

It is an amenable number.

10131457 is a deficient number, since it is larger than the sum of its proper divisors (1447359).

10131457 is an equidigital number, since it uses as much as digits as its factorization.

10131457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447358.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10131457 is about 3182.9949732917. The cubic root of 10131457 is about 216.3834139488.

Adding to 10131457 its reverse (75413101), we get a palindrome (85544558).

The spelling of 10131457 in words is "ten million, one hundred thirty-one thousand, four hundred fifty-seven".