905253269 has 2 divisors, whose sum is σ = 905253270. Its totient is φ = 905253268.

The previous prime is 905253199. The next prime is 905253311. The reversal of 905253269 is 962352509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764522500 + 140730769 = 27650^2 + 11863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-905253269 is a prime.

It is a super-2 number, since 2×905253269² = 1638966962070372722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905253169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452626634 + 452626635.

It is an arithmetic number, because the mean of its divisors is an integer number (452626635).

Almost surely, 2^905253269 is an apocalyptic number.

It is an amenable number.

905253269 is a deficient number, since it is larger than the sum of its proper divisors (1).

905253269 is an equidigital number, since it uses as much as digits as its factorization.

905253269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 905253269 is about 30087.4270917272. The cubic root of 905253269 is about 967.3642509076.

The spelling of 905253269 in words is "nine hundred five million, two hundred fifty-three thousand, two hundred sixty-nine".