651290402 has 16 divisors (see below), whose sum is σ = 1165041792. Its totient is φ = 266988480.

The previous prime is 651290401. The next prime is 651290411. The reversal of 651290402 is 204092156.

It is a happy number.

651290402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (651290401) 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, 1010999 + ... + 1011642.

It is an arithmetic number, because the mean of its divisors is an integer number (72815112).

Almost surely, 2^651290402 is an apocalyptic number.

651290402 is a deficient number, since it is larger than the sum of its proper divisors (513751390).

651290402 is a wasteful number, since it uses less digits than its factorization.

651290402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022673.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 651290402 is about 25520.3918857058. The cubic root of 651290402 is about 866.8119554911.

The spelling of 651290402 in words is "six hundred fifty-one million, two hundred ninety thousand, four hundred two".