265037797 has 2 divisors, whose sum is σ = 265037798. Its totient is φ = 265037796.

The previous prime is 265037779. The next prime is 265037813. The reversal of 265037797 is 797730562.

It is a happy number.

Together with previous prime (265037779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195832036 + 69205761 = 13994^2 + 8319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265037797 is a prime.

It is a super-2 number, since 2×265037797² = 140490067677226418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265037777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132518898 + 132518899.

It is an arithmetic number, because the mean of its divisors is an integer number (132518899).

Almost surely, 2^265037797 is an apocalyptic number.

It is an amenable number.

265037797 is a deficient number, since it is larger than the sum of its proper divisors (1).

265037797 is an equidigital number, since it uses as much as digits as its factorization.

265037797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 265037797 is about 16279.9814803334. The cubic root of 265037797 is about 642.3463652804.

The spelling of 265037797 in words is "two hundred sixty-five million, thirty-seven thousand, seven hundred ninety-seven".