252561201494 has 16 divisors (see below), whose sum is σ = 433010698656. Its totient is φ = 108228355200.

The previous prime is 252561201481. The next prime is 252561201499. The reversal of 252561201494 is 494102165252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252561201499) 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, 883667 + ... + 1134014.

It is an arithmetic number, because the mean of its divisors is an integer number (27063168666).

Almost surely, 2^252561201494 is an apocalyptic number.

252561201494 is a deficient number, since it is larger than the sum of its proper divisors (180449497162).

252561201494 is a wasteful number, since it uses less digits than its factorization.

252561201494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026631.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 252561201494 in words is "two hundred fifty-two billion, five hundred sixty-one million, two hundred one thousand, four hundred ninety-four".