651055265 has 16 divisors (see below), whose sum is σ = 908012160. Its totient is φ = 438869760.

The previous prime is 651055243. The next prime is 651055267. The reversal of 651055265 is 562550156.

It is not a de Polignac number, because 651055265 - 2¹⁴ = 651038881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (651055267) 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, 155576 + ... + 159705.

It is an arithmetic number, because the mean of its divisors is an integer number (56750760).

Almost surely, 2^651055265 is an apocalyptic number.

It is an amenable number.

651055265 is a deficient number, since it is larger than the sum of its proper divisors (256956895).

651055265 is a wasteful number, since it uses less digits than its factorization.

651055265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315352.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 651055265 is about 25515.7846244242. The cubic root of 651055265 is about 866.7076271732.

The spelling of 651055265 in words is "six hundred fifty-one million, fifty-five thousand, two hundred sixty-five".