651480452 has 48 divisors (see below), whose sum is σ = 1344591360. Its totient is φ = 270421632.

The previous prime is 651480439. The next prime is 651480461. The reversal of 651480452 is 254084156.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114458 + ... + 120014.

It is an arithmetic number, because the mean of its divisors is an integer number (28012320).

Almost surely, 2^651480452 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 651480452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672295680).

651480452 is an abundant number, since it is smaller than the sum of its proper divisors (693110908).

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

651480452 is a wasteful number, since it uses less digits than its factorization.

651480452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 651480452 is about 25524.1151070904. The cubic root of 651480452 is about 866.8962607362.

The spelling of 651480452 in words is "six hundred fifty-one million, four hundred eighty thousand, four hundred fifty-two".