252120497 has 2 divisors, whose sum is σ = 252120498. Its totient is φ = 252120496.

The previous prime is 252120493. The next prime is 252120499. The reversal of 252120497 is 794021252.

252120497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165276736 + 86843761 = 12856^2 + 9319^2 .

It is a cyclic number.

It is not a de Polignac number, because 252120497 - 2² = 252120493 is a prime.

Together with 252120499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252120493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126060248 + 126060249.

It is an arithmetic number, because the mean of its divisors is an integer number (126060249).

Almost surely, 2^252120497 is an apocalyptic number.

It is an amenable number.

252120497 is a deficient number, since it is larger than the sum of its proper divisors (1).

252120497 is an equidigital number, since it uses as much as digits as its factorization.

252120497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 252120497 is about 15878.3027115621. The cubic root of 252120497 is about 631.7366186419.

The spelling of 252120497 in words is "two hundred fifty-two million, one hundred twenty thousand, four hundred ninety-seven".