252774497 has 2 divisors, whose sum is σ = 252774498. Its totient is φ = 252774496.

The previous prime is 252774493. The next prime is 252774503. The reversal of 252774497 is 794477252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166823056 + 85951441 = 12916^2 + 9271^2 .

It is a cyclic number.

It is not a de Polignac number, because 252774497 - 2² = 252774493 is a prime.

It is not a weakly prime, because it can be changed into another prime (252774493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126387248 + 126387249.

It is an arithmetic number, because the mean of its divisors is an integer number (126387249).

Almost surely, 2^252774497 is an apocalyptic number.

It is an amenable number.

252774497 is a deficient number, since it is larger than the sum of its proper divisors (1).

252774497 is an equidigital number, since it uses as much as digits as its factorization.

252774497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 47.

The square root of 252774497 is about 15898.8835142597. The cubic root of 252774497 is about 632.2823881261.

The spelling of 252774497 in words is "two hundred fifty-two million, seven hundred seventy-four thousand, four hundred ninety-seven".