252497 has 6 divisors (see below), whose sum is σ = 293778. Its totient is φ = 216384.

The previous prime is 252481. The next prime is 252509. The reversal of 252497 is 794252.

It can be written as a sum of positive squares in only one way, i.e., 226576 + 25921 = 476^2 + 161^2 .

It is not a de Polignac number, because 252497 - 2⁴ = 252481 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252497.

It is not an unprimeable number, because it can be changed into a prime (252457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2528 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (48963).

2²⁵²⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

252497 is a deficient number, since it is larger than the sum of its proper divisors (41281).

252497 is an equidigital number, since it uses as much as digits as its factorization.

252497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5160 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 252497 is about 502.4907959356. The cubic root of 252497 is about 63.2050929240.

The spelling of 252497 in words is "two hundred fifty-two thousand, four hundred ninety-seven".