252197953 has 8 divisors (see below), whose sum is σ = 294108800. Its totient is φ = 216169380.

The previous prime is 252197951. The next prime is 252197971. The reversal of 252197953 is 359791252.

It is not a de Polignac number, because 252197953 - 2¹ = 252197951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252197951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367293 + ... + 367978.

It is an arithmetic number, because the mean of its divisors is an integer number (36763600).

Almost surely, 2^252197953 is an apocalyptic number.

It is an amenable number.

252197953 is a deficient number, since it is larger than the sum of its proper divisors (41910847).

252197953 is an frugal number, since it uses more digits than its factorization.

252197953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735292 (or 735278 counting only the distinct ones).

The product of its digits is 170100, while the sum is 43.

The square root of 252197953 is about 15880.7415758837. The cubic root of 252197953 is about 631.8013056759.

The spelling of 252197953 in words is "two hundred fifty-two million, one hundred ninety-seven thousand, nine hundred fifty-three".