2057523451 has 4 divisors (see below), whose sum is σ = 2057614504. Its totient is φ = 2057432400.

The previous prime is 2057523439. The next prime is 2057523467. The reversal of 2057523451 is 1543257502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2057523451 - 2¹⁵ = 2057490683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057523401) 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, 16936 + ... + 66346.

It is an arithmetic number, because the mean of its divisors is an integer number (514403626).

Almost surely, 2^2057523451 is an apocalyptic number.

2057523451 is a deficient number, since it is larger than the sum of its proper divisors (91053).

2057523451 is an equidigital number, since it uses as much as digits as its factorization.

2057523451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91052.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2057523451 is about 45359.9322199670. The cubic root of 2057523451 is about 1271.8862274712.

The spelling of 2057523451 in words is "two billion, fifty-seven million, five hundred twenty-three thousand, four hundred fifty-one".