252545480 has 32 divisors (see below), whose sum is σ = 619885440. Its totient is φ = 91834560.

The previous prime is 252545459. The next prime is 252545483. The reversal of 252545480 is 84545252.

It is a self number, because there is not a number n which added to its sum of digits gives 252545480.

It is not an unprimeable number, because it can be changed into a prime (252545483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286544 + ... + 287423.

It is an arithmetic number, because the mean of its divisors is an integer number (19371420).

Almost surely, 2^252545480 is an apocalyptic number.

252545480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252545480 is an abundant number, since it is smaller than the sum of its proper divisors (367339960).

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

252545480 is a wasteful number, since it uses less digits than its factorization.

252545480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573989 (or 573985 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 252545480 is about 15891.6795839836. The cubic root of 252545480 is about 632.0913783912.

The spelling of 252545480 in words is "two hundred fifty-two million, five hundred forty-five thousand, four hundred eighty".