265761253 has 2 divisors, whose sum is σ = 265761254. Its totient is φ = 265761252.

The previous prime is 265761241. The next prime is 265761263. The reversal of 265761253 is 352167562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240188004 + 25573249 = 15498^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 265761253 - 2⁹ = 265760741 is a prime.

It is a super-2 number, since 2×265761253² = 141258087192260018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265761263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132880626 + 132880627.

It is an arithmetic number, because the mean of its divisors is an integer number (132880627).

Almost surely, 2^265761253 is an apocalyptic number.

It is an amenable number.

265761253 is a deficient number, since it is larger than the sum of its proper divisors (1).

265761253 is an equidigital number, since it uses as much as digits as its factorization.

265761253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 265761253 is about 16302.1855283272. The cubic root of 265761253 is about 642.9302909804.

It can be divided in two parts, 2657612 and 53, that added together give a triangular number (2657665 = T₂₃₀₅).

The spelling of 265761253 in words is "two hundred sixty-five million, seven hundred sixty-one thousand, two hundred fifty-three".