265280897 has 8 divisors (see below), whose sum is σ = 303380352. Its totient is φ = 227232000.

The previous prime is 265280891. The next prime is 265280923. The reversal of 265280897 is 798082562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265280897 - 2⁴ = 265280881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265280891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (37922544).

Almost surely, 2^265280897 is an apocalyptic number.

It is an amenable number.

265280897 is a deficient number, since it is larger than the sum of its proper divisors (38099455).

265280897 is a wasteful number, since it uses less digits than its factorization.

265280897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25279.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 265280897 is about 16287.4459937708. The cubic root of 265280897 is about 642.5426978846.

The spelling of 265280897 in words is "two hundred sixty-five million, two hundred eighty thousand, eight hundred ninety-seven".