252716620 has 96 divisors (see below), whose sum is σ = 593099136. Its totient is φ = 89856000.

The previous prime is 252716537. The next prime is 252716621. The reversal of 252716620 is 26617252.

252716620 = T₁₆₆ + T₁₆₇ + ... + T₁₁₄₉.

It is not an unprimeable number, because it can be changed into a prime (252716621) 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 31 ways as a sum of consecutive naturals, for example, 1609582 + ... + 1609738.

It is an arithmetic number, because the mean of its divisors is an integer number (6178116).

Almost surely, 2^252716620 is an apocalyptic number.

252716620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252716620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296549568).

252716620 is an abundant number, since it is smaller than the sum of its proper divisors (340382516).

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

252716620 is a wasteful number, since it uses less digits than its factorization.

252716620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 252716620 is about 15897.0632508020. The cubic root of 252716620 is about 632.2341271906.

The spelling of 252716620 in words is "two hundred fifty-two million, seven hundred sixteen thousand, six hundred twenty".