651063534 has 16 divisors (see below), whose sum is σ = 1420502400. Its totient is φ = 197291960.

The previous prime is 651063533. The next prime is 651063541. The reversal of 651063534 is 435360156.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 651063495 and 651063504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651063533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4932234 + ... + 4932365.

It is an arithmetic number, because the mean of its divisors is an integer number (88781400).

Almost surely, 2^651063534 is an apocalyptic number.

651063534 is an abundant number, since it is smaller than the sum of its proper divisors (769438866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651063534 is a wasteful number, since it uses less digits than its factorization.

651063534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864615.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 651063534 is about 25515.9466608629. The cubic root of 651063534 is about 866.7112964854.

The spelling of 651063534 in words is "six hundred fifty-one million, sixty-three thousand, five hundred thirty-four".