651314642 has 64 divisors (see below), whose sum is σ = 1197711360. Its totient is φ = 261792000.

The previous prime is 651314617. The next prime is 651314689. The reversal of 651314642 is 246413156.

It is a super-3 number, since 3×651314642³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651314599 and 651314608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072703 + ... + 1073309.

It is an arithmetic number, because the mean of its divisors is an integer number (18714240).

Almost surely, 2^651314642 is an apocalyptic number.

651314642 is a deficient number, since it is larger than the sum of its proper divisors (546396718).

651314642 is a wasteful number, since it uses less digits than its factorization.

651314642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 17280, while the sum is 32.

The square root of 651314642 is about 25520.8667956243. The cubic root of 651314642 is about 866.8227091483.

Adding to 651314642 its reverse (246413156), we get a palindrome (897727798).

The spelling of 651314642 in words is "six hundred fifty-one million, three hundred fourteen thousand, six hundred forty-two".