648682502 has 24 divisors (see below), whose sum is σ = 1087634880. Its totient is φ = 289729440.

The previous prime is 648682487. The next prime is 648682511. The reversal of 648682502 is 205286846.

It is a self number, because there is not a number n which added to its sum of digits gives 648682502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20477 + ... + 41432.

It is an arithmetic number, because the mean of its divisors is an integer number (45318120).

Almost surely, 2^648682502 is an apocalyptic number.

648682502 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

648682502 is a deficient number, since it is larger than the sum of its proper divisors (438952378).

648682502 is a wasteful number, since it uses less digits than its factorization.

648682502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61968 (or 61955 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 648682502 is about 25469.2462000743. The cubic root of 648682502 is about 865.6534436769.

It can be divided in two parts, 6486 and 82502, that added together give a palindrome (88988).

The spelling of 648682502 in words is "six hundred forty-eight million, six hundred eighty-two thousand, five hundred two".