651538482 has 16 divisors (see below), whose sum is σ = 1489230912. Its totient is φ = 186153840.

The previous prime is 651538477. The next prime is 651538493. The reversal of 651538482 is 284835156.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 15512821 = 651538482 / (6 + 5 + 1 + 5 + 3 + 8 + 4 + 8 + 2).

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, 7756369 + ... + 7756452.

It is an arithmetic number, because the mean of its divisors is an integer number (93076932).

Almost surely, 2^651538482 is an apocalyptic number.

651538482 is an abundant number, since it is smaller than the sum of its proper divisors (837692430).

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

651538482 is a wasteful number, since it uses less digits than its factorization.

651538482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512833.

The product of its digits is 230400, while the sum is 42.

The square root of 651538482 is about 25525.2518498839. The cubic root of 651538482 is about 866.9219992912.

The spelling of 651538482 in words is "six hundred fifty-one million, five hundred thirty-eight thousand, four hundred eighty-two".