252973780197 has 16 divisors (see below), whose sum is σ = 337731651840. Its totient is φ = 168432671232.

The previous prime is 252973780021. The next prime is 252973780237. The reversal of 252973780197 is 791087379252.

It is not a de Polignac number, because 252973780197 - 2²⁸ = 252705344741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252973780197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252973700197) 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, 9358333 + ... + 9385325.

It is an arithmetic number, because the mean of its divisors is an integer number (21108228240).

Almost surely, 2^252973780197 is an apocalyptic number.

It is an amenable number.

252973780197 is a deficient number, since it is larger than the sum of its proper divisors (84757871643).

252973780197 is a wasteful number, since it uses less digits than its factorization.

252973780197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 252973780197 in words is "two hundred fifty-two billion, nine hundred seventy-three million, seven hundred eighty thousand, one hundred ninety-seven".