651522048 has 104 divisors (see below), whose sum is σ = 1785375888. Its totient is φ = 211156992.

The previous prime is 651522043. The next prime is 651522061. The reversal of 651522048 is 840225156.

It is a super-2 number, since 2×651522048² = 848961958060228608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651522041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453940 + ... + 455372.

Almost surely, 2^651522048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651522048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892687944).

651522048 is an abundant number, since it is smaller than the sum of its proper divisors (1133853840).

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

651522048 is a wasteful number, since it uses less digits than its factorization.

651522048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 651522048 is about 25524.9299313436. The cubic root of 651522048 is about 866.9147103302.

The spelling of 651522048 in words is "six hundred fifty-one million, five hundred twenty-two thousand, forty-eight".