651041402 has 16 divisors (see below), whose sum is σ = 1065808800. Its totient is φ = 295797840.

The previous prime is 651041359. The next prime is 651041423. The reversal of 651041402 is 204140156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59624 + ... + 69692.

It is an arithmetic number, because the mean of its divisors is an integer number (66613050).

Almost surely, 2^651041402 is an apocalyptic number.

651041402 is a deficient number, since it is larger than the sum of its proper divisors (414767398).

651041402 is a wasteful number, since it uses less digits than its factorization.

651041402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13021.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 651041402 is about 25515.5129676046. The cubic root of 651041402 is about 866.7014754921.

Adding to 651041402 its reverse (204140156), we get a palindrome (855181558).

The spelling of 651041402 in words is "six hundred fifty-one million, forty-one thousand, four hundred two".