651102452 has 72 divisors (see below), whose sum is σ = 1541557248. Its totient is φ = 234146880.

The previous prime is 651102433. The next prime is 651102479. The reversal of 651102452 is 254201156.

651102452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36653 + ... + 51435.

Almost surely, 2^651102452 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 651102452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770778624).

651102452 is an abundant number, since it is smaller than the sum of its proper divisors (890454796).

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

651102452 is a wasteful number, since it uses less digits than its factorization.

651102452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829 (or 14816 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 651102452 is about 25516.7092705937. The cubic root of 651102452 is about 866.7285656644.

The spelling of 651102452 in words is "six hundred fifty-one million, one hundred two thousand, four hundred fifty-two".