2523135304491 has 8 divisors (see below), whose sum is σ = 3366160507200. Its totient is φ = 1681100152392.

The previous prime is 2523135304453. The next prime is 2523135304493. The reversal of 2523135304491 is 1944035313252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2523135304491 - 2¹³ = 2523135296299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2523135304493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247506705 + ... + 247516898.

It is an arithmetic number, because the mean of its divisors is an integer number (420770063400).

Almost surely, 2^{2523135304491} is an apocalyptic number.

2523135304491 is a deficient number, since it is larger than the sum of its proper divisors (843025202709).

2523135304491 is a wasteful number, since it uses less digits than its factorization.

2523135304491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495025305.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 2523135304491 in words is "two trillion, five hundred twenty-three billion, one hundred thirty-five million, three hundred four thousand, four hundred ninety-one".