651456130 has 48 divisors (see below), whose sum is σ = 1275370920. Its totient is φ = 239476224.

The previous prime is 651456121. The next prime is 651456139. The reversal of 651456130 is 31654156.

It is an interprime number because it is at equal distance from previous prime (651456121) and next prime (651456139).

It can be written as a sum of positive squares in 12 ways, for example, as 14953689 + 636502441 = 3867^2 + 25229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 651456092 and 651456101.

It is not an unprimeable number, because it can be changed into a prime (651456139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453894 + ... + 455326.

Almost surely, 2^651456130 is an apocalyptic number.

651456130 is a deficient number, since it is larger than the sum of its proper divisors (623914790).

651456130 is a wasteful number, since it uses less digits than its factorization.

651456130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 651456130 is about 25523.6386512582. The cubic root of 651456130 is about 866.8854725316.

The spelling of 651456130 in words is "six hundred fifty-one million, four hundred fifty-six thousand, one hundred thirty".