265612967 has 2 divisors, whose sum is σ = 265612968. Its totient is φ = 265612966.

The previous prime is 265612937. The next prime is 265612979. The reversal of 265612967 is 769216562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265612967 - 2¹⁸ = 265350823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265612937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132806483 + 132806484.

It is an arithmetic number, because the mean of its divisors is an integer number (132806484).

Almost surely, 2^265612967 is an apocalyptic number.

265612967 is a deficient number, since it is larger than the sum of its proper divisors (1).

265612967 is an equidigital number, since it uses as much as digits as its factorization.

265612967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 265612967 is about 16297.6368532373. The cubic root of 265612967 is about 642.8106907787.

The spelling of 265612967 in words is "two hundred sixty-five million, six hundred twelve thousand, nine hundred sixty-seven".