252404121053 has 4 divisors (see below), whose sum is σ = 288461852640. Its totient is φ = 216346389468.

The previous prime is 252404121031. The next prime is 252404121089. The reversal of 252404121053 is 350121404252.

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 252404121053 - 2¹² = 252404116957 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 (252404121553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18028865783 + ... + 18028865796.

It is an arithmetic number, because the mean of its divisors is an integer number (72115463160).

Almost surely, 2^252404121053 is an apocalyptic number.

It is an amenable number.

252404121053 is a deficient number, since it is larger than the sum of its proper divisors (36057731587).

252404121053 is an equidigital number, since it uses as much as digits as its factorization.

252404121053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36057731586.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 252404121053 in words is "two hundred fifty-two billion, four hundred four million, one hundred twenty-one thousand, fifty-three".