253526761 has 2 divisors, whose sum is σ = 253526762. Its totient is φ = 253526760.

The previous prime is 253526731. The next prime is 253526771. The reversal of 253526761 is 167625352.

253526761 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., 250905600 + 2621161 = 15840^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 253526761 - 2⁹ = 253526249 is a prime.

It is a super-2 number, since 2×253526761² = 128551637086302242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253526761.

It is not a weakly prime, because it can be changed into another prime (253526731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126763380 + 126763381.

It is an arithmetic number, because the mean of its divisors is an integer number (126763381).

Almost surely, 2^253526761 is an apocalyptic number.

It is an amenable number.

253526761 is a deficient number, since it is larger than the sum of its proper divisors (1).

253526761 is an equidigital number, since it uses as much as digits as its factorization.

253526761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 253526761 is about 15922.5237007203. The cubic root of 253526761 is about 632.9089969811.

The spelling of 253526761 in words is "two hundred fifty-three million, five hundred twenty-six thousand, seven hundred sixty-one".