252340297 has 16 divisors (see below), whose sum is σ = 284074560. Its totient is φ = 224014560.

The previous prime is 252340289. The next prime is 252340301. The reversal of 252340297 is 792043252.

It is a happy number.

It is not a de Polignac number, because 252340297 - 2³ = 252340289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252340247) 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, 55029 + ... + 59437.

It is an arithmetic number, because the mean of its divisors is an integer number (17754660).

Almost surely, 2^252340297 is an apocalyptic number.

It is an amenable number.

252340297 is a deficient number, since it is larger than the sum of its proper divisors (31734263).

252340297 is an equidigital number, since it uses as much as digits as its factorization.

252340297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 252340297 is about 15885.2225983774. Note that the first 3 decimals coincide. The cubic root of 252340297 is about 631.9201491075.

The spelling of 252340297 in words is "two hundred fifty-two million, three hundred forty thousand, two hundred ninety-seven".