651626242 has 16 divisors (see below), whose sum is σ = 1031592960. Its totient is φ = 307852272.

The previous prime is 651626237. The next prime is 651626279. The reversal of 651626242 is 242626156.

It is a junction number, because it is equal to n+sod(n) for n = 651626198 and 651626207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833 + ... + 36940.

It is an arithmetic number, because the mean of its divisors is an integer number (64474560).

Almost surely, 2^651626242 is an apocalyptic number.

651626242 is a deficient number, since it is larger than the sum of its proper divisors (379966718).

651626242 is a wasteful number, since it uses less digits than its factorization.

651626242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45177.

The product of its digits is 34560, while the sum is 34.

The square root of 651626242 is about 25526.9708739600. The cubic root of 651626242 is about 866.9609213509.

The spelling of 651626242 in words is "six hundred fifty-one million, six hundred twenty-six thousand, two hundred forty-two".