253297061 has 2 divisors, whose sum is σ = 253297062. Its totient is φ = 253297060.

The previous prime is 253297027. The next prime is 253297069. The reversal of 253297061 is 160792352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143256961 + 110040100 = 11969^2 + 10490^2 .

It is a cyclic number.

It is not a de Polignac number, because 253297061 - 2¹⁸ = 253034917 is a prime.

It is a super-2 number, since 2×253297061² = 128318802222475442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253297069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126648530 + 126648531.

It is an arithmetic number, because the mean of its divisors is an integer number (126648531).

Almost surely, 2^253297061 is an apocalyptic number.

It is an amenable number.

253297061 is a deficient number, since it is larger than the sum of its proper divisors (1).

253297061 is an equidigital number, since it uses as much as digits as its factorization.

253297061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 253297061 is about 15915.3090136510. The cubic root of 253297061 is about 632.7177967523.

The spelling of 253297061 in words is "two hundred fifty-three million, two hundred ninety-seven thousand, sixty-one".