252441431251 has 4 divisors (see below), whose sum is σ = 252453107104. Its totient is φ = 252429755400.

The previous prime is 252441431243. The next prime is 252441431257. The reversal of 252441431251 is 152134144252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252441431251 - 2³ = 252441431243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252441431257) 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, 5805435 + ... + 5848756.

It is an arithmetic number, because the mean of its divisors is an integer number (63113276776).

Almost surely, 2^252441431251 is an apocalyptic number.

252441431251 is a deficient number, since it is larger than the sum of its proper divisors (11675853).

252441431251 is a wasteful number, since it uses less digits than its factorization.

252441431251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675852.

The product of its digits is 38400, while the sum is 34.

The spelling of 252441431251 in words is "two hundred fifty-two billion, four hundred forty-one million, four hundred thirty-one thousand, two hundred fifty-one".