2520285252 has 72 divisors (see below), whose sum is σ = 6240011232. Its totient is φ = 791212800.

The previous prime is 2520285233. The next prime is 2520285253. The reversal of 2520285252 is 2525820252.

It is not an unprimeable number, because it can be changed into a prime (2520285253) 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, 410727 + ... + 416817.

Almost surely, 2^2520285252 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 2520285252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3120005616).

2520285252 is an abundant number, since it is smaller than the sum of its proper divisors (3719725980).

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

2520285252 is a wasteful number, since it uses less digits than its factorization.

2520285252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 2520285252 is about 50202.4426895744. The cubic root of 2520285252 is about 1360.8697673086.

The spelling of 2520285252 in words is "two billion, five hundred twenty million, two hundred eighty-five thousand, two hundred fifty-two".