265630453 has 12 divisors (see below), whose sum is σ = 292369644. Its totient is φ = 241155200.

The previous prime is 265630447. The next prime is 265630471. The reversal of 265630453 is 354036562.

It can be written as a sum of positive squares in 2 ways, for example, as 101969604 + 163660849 = 10098^2 + 12793^2 .

It is not a de Polignac number, because 265630453 - 2²¹ = 263533301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265630483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163875 + ... + 165487.

It is an arithmetic number, because the mean of its divisors is an integer number (24364137).

Almost surely, 2^265630453 is an apocalyptic number.

It is an amenable number.

265630453 is a deficient number, since it is larger than the sum of its proper divisors (26739191).

265630453 is a wasteful number, since it uses less digits than its factorization.

265630453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 265630453 is about 16298.1733025514. The cubic root of 265630453 is about 642.8247964418.

The spelling of 265630453 in words is "two hundred sixty-five million, six hundred thirty thousand, four hundred fifty-three".