2521222753 has 8 divisors (see below), whose sum is σ = 2895055040. Its totient is φ = 2150804880.

The previous prime is 2521222673. The next prime is 2521222771. The reversal of 2521222753 is 3572221252.

It is a happy number.

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

It is not a de Polignac number, because 2521222753 - 2²⁵ = 2487668321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521222153) 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, 852018 + ... + 854971.

It is an arithmetic number, because the mean of its divisors is an integer number (361881880).

Almost surely, 2^2521222753 is an apocalyptic number.

It is an amenable number.

2521222753 is a deficient number, since it is larger than the sum of its proper divisors (373832287).

2521222753 is a wasteful number, since it uses less digits than its factorization.

2521222753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707207.

The product of its digits is 16800, while the sum is 31.

The square root of 2521222753 is about 50211.7790264396. The cubic root of 2521222753 is about 1361.0384861213.

The spelling of 2521222753 in words is "two billion, five hundred twenty-one million, two hundred twenty-two thousand, seven hundred fifty-three".