651054263 has 6 divisors (see below), whose sum is σ = 674279424. Its totient is φ = 628603304.

The previous prime is 651054221. The next prime is 651054269. The reversal of 651054263 is 362450156.

It is not a de Polignac number, because 651054263 - 2¹⁶ = 650988727 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 (651054269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 386231 + ... + 387912.

It is an arithmetic number, because the mean of its divisors is an integer number (112379904).

Almost surely, 2^651054263 is an apocalyptic number.

651054263 is a deficient number, since it is larger than the sum of its proper divisors (23225161).

651054263 is an equidigital number, since it uses as much as digits as its factorization.

651054263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774201 (or 774172 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 651054263 is about 25515.7649895119. The cubic root of 651054263 is about 866.7071825405.

The spelling of 651054263 in words is "six hundred fifty-one million, fifty-four thousand, two hundred sixty-three".