651251046 has 16 divisors (see below), whose sum is σ = 1309780800. Its totient is φ = 215870568.

The previous prime is 651251033. The next prime is 651251059. The reversal of 651251046 is 640152156.

651251046 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 (651251033) and next prime (651251059).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302116 + ... + 304263.

It is an arithmetic number, because the mean of its divisors is an integer number (81861300).

Almost surely, 2^651251046 is an apocalyptic number.

651251046 is an abundant number, since it is smaller than the sum of its proper divisors (658529754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651251046 is a wasteful number, since it uses less digits than its factorization.

651251046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606563.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 651251046 is about 25519.6208043928. The cubic root of 651251046 is about 866.7944953133.

The spelling of 651251046 in words is "six hundred fifty-one million, two hundred fifty-one thousand, forty-six".