651247652 has 24 divisors (see below), whose sum is σ = 1253576352. Its totient is φ = 296019240.

The previous prime is 651247643. The next prime is 651247657. The reversal of 651247652 is 256742156.

It is not an unprimeable number, because it can be changed into a prime (651247657) 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, 55838 + ... + 66485.

It is an arithmetic number, because the mean of its divisors is an integer number (52232348).

Almost surely, 2^651247652 is an apocalyptic number.

It is an amenable number.

651247652 is a deficient number, since it is larger than the sum of its proper divisors (602328700).

651247652 is a wasteful number, since it uses less digits than its factorization.

651247652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122360 (or 122336 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 651247652 is about 25519.5543064529. The cubic root of 651247652 is about 866.7929895419.

The spelling of 651247652 in words is "six hundred fifty-one million, two hundred forty-seven thousand, six hundred fifty-two".