265114921 has 4 divisors (see below), whose sum is σ = 270755712. Its totient is φ = 259474132.

The previous prime is 265114901. The next prime is 265114933. The reversal of 265114921 is 129411562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265114921 - 2⁷ = 265114793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265114901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820325 + ... + 2820418.

It is an arithmetic number, because the mean of its divisors is an integer number (67688928).

Almost surely, 2^265114921 is an apocalyptic number.

It is an amenable number.

265114921 is a deficient number, since it is larger than the sum of its proper divisors (5640791).

265114921 is an equidigital number, since it uses as much as digits as its factorization.

265114921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640790.

The product of its digits is 4320, while the sum is 31.

The square root of 265114921 is about 16282.3499839550. The cubic root of 265114921 is about 642.4086652204.

The spelling of 265114921 in words is "two hundred sixty-five million, one hundred fourteen thousand, nine hundred twenty-one".