252795820497 has 48 divisors (see below), whose sum is σ = 383284532736. Its totient is φ = 147939897600.

The previous prime is 252795820493. The next prime is 252795820517. The reversal of 252795820497 is 794028597252.

It is not a de Polignac number, because 252795820497 - 2² = 252795820493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252795820497.

It is not an unprimeable number, because it can be changed into a prime (252795820493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5118043 + ... + 5167199.

It is an arithmetic number, because the mean of its divisors is an integer number (7985094432).

Almost surely, 2^252795820497 is an apocalyptic number.

It is an amenable number.

252795820497 is a deficient number, since it is larger than the sum of its proper divisors (130488712239).

252795820497 is a wasteful number, since it uses less digits than its factorization.

252795820497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49670 (or 49659 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 252795820497 in words is "two hundred fifty-two billion, seven hundred ninety-five million, eight hundred twenty thousand, four hundred ninety-seven".