265612469 has 2 divisors, whose sum is σ = 265612470. Its totient is φ = 265612468.

The previous prime is 265612447. The next prime is 265612493. The reversal of 265612469 is 964216562.

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., 216472369 + 49140100 = 14713^2 + 7010^2 .

It is a cyclic number.

It is not a de Polignac number, because 265612469 - 2¹⁶ = 265546933 is a prime.

It is a super-2 number, since 2×265612469² = 141099967376551922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265612439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132806234 + 132806235.

It is an arithmetic number, because the mean of its divisors is an integer number (132806235).

Almost surely, 2^265612469 is an apocalyptic number.

It is an amenable number.

265612469 is a deficient number, since it is larger than the sum of its proper divisors (1).

265612469 is an equidigital number, since it uses as much as digits as its factorization.

265612469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 265612469 is about 16297.6215749415. The cubic root of 265612469 is about 642.8102890414.

The spelling of 265612469 in words is "two hundred sixty-five million, six hundred twelve thousand, four hundred sixty-nine".