265423949 has 8 divisors (see below), whose sum is σ = 308483520. Its totient is φ = 223649856.

The previous prime is 265423931. The next prime is 265423967. The reversal of 265423949 is 949324562.

265423949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (265423931) and next prime (265423967).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265423949 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 (265423969) 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, 320924 + ... + 321749.

It is an arithmetic number, because the mean of its divisors is an integer number (38560440).

Almost surely, 2^265423949 is an apocalyptic number.

It is an amenable number.

265423949 is a deficient number, since it is larger than the sum of its proper divisors (43059571).

265423949 is an equidigital number, since it uses as much as digits as its factorization.

265423949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642739.

The product of its digits is 466560, while the sum is 44.

The square root of 265423949 is about 16291.8368823162. The cubic root of 265423949 is about 642.6581735961.

The spelling of 265423949 in words is "two hundred sixty-five million, four hundred twenty-three thousand, nine hundred forty-nine".