265162801 has 2 divisors, whose sum is σ = 265162802. Its totient is φ = 265162800.

The previous prime is 265162771. The next prime is 265162823. The reversal of 265162801 is 108261562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231800625 + 33362176 = 15225^2 + 5776^2 .

It is a cyclic number.

It is not a de Polignac number, because 265162801 - 2⁵ = 265162769 is a prime.

It is a super-2 number, since 2×265162801² = 140622622068331202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265162501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132581400 + 132581401.

It is an arithmetic number, because the mean of its divisors is an integer number (132581401).

Almost surely, 2^265162801 is an apocalyptic number.

It is an amenable number.

265162801 is a deficient number, since it is larger than the sum of its proper divisors (1).

265162801 is an equidigital number, since it uses as much as digits as its factorization.

265162801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 265162801 is about 16283.8202213117. The cubic root of 265162801 is about 642.4473360923.

The spelling of 265162801 in words is "two hundred sixty-five million, one hundred sixty-two thousand, eight hundred one".