651040537 has 16 divisors (see below), whose sum is σ = 754209792. Its totient is φ = 550458000.

The previous prime is 651040519. The next prime is 651040543. The reversal of 651040537 is 735040156.

651040537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 651040537 - 2⁷ = 651040409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651040499 and 651040508.

It is not an unprimeable number, because it can be changed into a prime (651040547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186268 + ... + 189730.

It is an arithmetic number, because the mean of its divisors is an integer number (47138112).

Almost surely, 2^651040537 is an apocalyptic number.

It is an amenable number.

651040537 is a deficient number, since it is larger than the sum of its proper divisors (103169255).

651040537 is a wasteful number, since it uses less digits than its factorization.

651040537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 651040537 is about 25515.4960171265. The cubic root of 651040537 is about 866.7010916470.

The spelling of 651040537 in words is "six hundred fifty-one million, forty thousand, five hundred thirty-seven".