516256452 has 72 divisors (see below), whose sum is σ = 1343998656. Its totient is φ = 166993344.

The previous prime is 516256451. The next prime is 516256453. The reversal of 516256452 is 254652615.

516256452 is a `hidden beast` number, since 5 + 1 + 6 + 2 + 5 + 645 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (516256451) and next prime (516256453).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (516256451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257518 + ... + 259514.

It is an arithmetic number, because the mean of its divisors is an integer number (18666648).

Almost surely, 2^516256452 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 516256452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671999328).

516256452 is an abundant number, since it is smaller than the sum of its proper divisors (827742204).

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

516256452 is a wasteful number, since it uses less digits than its factorization.

516256452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2212 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 516256452 is about 22721.2775169003. The cubic root of 516256452 is about 802.2107869817.

The spelling of 516256452 in words is "five hundred sixteen million, two hundred fifty-six thousand, four hundred fifty-two".