9251012651 has 4 divisors (see below), whose sum is σ = 9254956632. Its totient is φ = 9247068672.

The previous prime is 9251012633. The next prime is 9251012669. The reversal of 9251012651 is 1562101529.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9251012633) and next prime (9251012669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9251012651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9251042651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968470 + ... + 1973163.

It is an arithmetic number, because the mean of its divisors is an integer number (2313739158).

Almost surely, 2^9251012651 is an apocalyptic number.

9251012651 is a deficient number, since it is larger than the sum of its proper divisors (3943981).

9251012651 is a wasteful number, since it uses less digits than its factorization.

9251012651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943980.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 9251012651 is about 96182.1846861465. The cubic root of 9251012651 is about 2099.2448268046.

The spelling of 9251012651 in words is "nine billion, two hundred fifty-one million, twelve thousand, six hundred fifty-one".