2521464356253 has 4 divisors (see below), whose sum is σ = 3361952475008. Its totient is φ = 1680976237500.

The previous prime is 2521464356239. The next prime is 2521464356263. The reversal of 2521464356253 is 3526534641252.

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 not a de Polignac number, because 2521464356253 - 2¹⁰ = 2521464355229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521464356263) 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, 420244059373 + ... + 420244059378.

It is an arithmetic number, because the mean of its divisors is an integer number (840488118752).

Almost surely, 2^{2521464356253} is an apocalyptic number.

It is an amenable number.

2521464356253 is a deficient number, since it is larger than the sum of its proper divisors (840488118755).

2521464356253 is an equidigital number, since it uses as much as digits as its factorization.

2521464356253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840488118754.

The product of its digits is 5184000, while the sum is 48.

The spelling of 2521464356253 in words is "two trillion, five hundred twenty-one billion, four hundred sixty-four million, three hundred fifty-six thousand, two hundred fifty-three".