255572500 has 30 divisors (see below), whose sum is σ = 558891410. Its totient is φ = 102228000.

The previous prime is 255572497. The next prime is 255572503. The reversal of 255572500 is 5275552.

It is an interprime number because it is at equal distance from previous prime (255572497) and next prime (255572503).

It can be written as a sum of positive squares in 5 ways, for example, as 85895824 + 169676676 = 9268^2 + 13026^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255572503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48615 + ... + 53614.

Almost surely, 2^255572500 is an apocalyptic number.

255572500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255572500 is an abundant number, since it is smaller than the sum of its proper divisors (303318910).

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

255572500 is a wasteful number, since it uses less digits than its factorization.

255572500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102253 (or 102236 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 255572500 is about 15986.6350430602. The cubic root of 255572500 is about 634.6067790974.

The spelling of 255572500 in words is "two hundred fifty-five million, five hundred seventy-two thousand, five hundred".