252247761623 has 16 divisors (see below), whose sum is σ = 296443476000. Its totient is φ = 211607546880.

The previous prime is 252247761611. The next prime is 252247761673. The reversal of 252247761623 is 326167742252.

It is a cyclic number.

It is not a de Polignac number, because 252247761623 - 2¹² = 252247757527 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 (252247761673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156203 + ... + 727251.

It is an arithmetic number, because the mean of its divisors is an integer number (18527717250).

Almost surely, 2^252247761623 is an apocalyptic number.

252247761623 is a deficient number, since it is larger than the sum of its proper divisors (44195714377).

252247761623 is a wasteful number, since it uses less digits than its factorization.

252247761623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574162.

The product of its digits is 1693440, while the sum is 47.

The spelling of 252247761623 in words is "two hundred fifty-two billion, two hundred forty-seven million, seven hundred sixty-one thousand, six hundred twenty-three".