265552651 has 16 divisors (see below), whose sum is σ = 328515264. Its totient is φ = 209026944.

The previous prime is 265552633. The next prime is 265552669. The reversal of 265552651 is 156255562.

It is an interprime number because it is at equal distance from previous prime (265552633) and next prime (265552669).

It is not a de Polignac number, because 265552651 - 2⁷ = 265552523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265552651.

It is not an unprimeable number, because it can be changed into a prime (265552621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10521 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (20532204).

Almost surely, 2^265552651 is an apocalyptic number.

265552651 is a deficient number, since it is larger than the sum of its proper divisors (62962613).

265552651 is a wasteful number, since it uses less digits than its factorization.

265552651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030.

The product of its digits is 90000, while the sum is 37.

The square root of 265552651 is about 16295.7862958496. The cubic root of 265552651 is about 642.7620301213.

The spelling of 265552651 in words is "two hundred sixty-five million, five hundred fifty-two thousand, six hundred fifty-one".