651472923 has 8 divisors (see below), whose sum is σ = 873179136. Its totient is φ = 432041000.

The previous prime is 651472909. The next prime is 651472937. The reversal of 651472923 is 329274156.

It is an interprime number because it is at equal distance from previous prime (651472909) and next prime (651472937).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 651472923 - 2⁵ = 651472891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651472973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567903 + ... + 569048.

It is an arithmetic number, because the mean of its divisors is an integer number (109147392).

Almost surely, 2^651472923 is an apocalyptic number.

651472923 is a deficient number, since it is larger than the sum of its proper divisors (221706213).

651472923 is a wasteful number, since it uses less digits than its factorization.

651472923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137145.

The product of its digits is 90720, while the sum is 39.

The square root of 651472923 is about 25523.9676186913. The cubic root of 651472923 is about 866.8929212207.

The spelling of 651472923 in words is "six hundred fifty-one million, four hundred seventy-two thousand, nine hundred twenty-three".