250557255 has 24 divisors (see below), whose sum is σ = 467707968. Its totient is φ = 123350976.

The previous prime is 250557253. The next prime is 250557257. The reversal of 250557255 is 552755052.

250557255 is a `hidden beast` number, since 2 + 50 + 557 + 2 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (250557253) and next prime (250557257).

It is not a de Polignac number, because 250557255 - 2¹ = 250557253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250557253) 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, 213567 + ... + 214736.

It is an arithmetic number, because the mean of its divisors is an integer number (19487832).

Almost surely, 2^250557255 is an apocalyptic number.

250557255 is a deficient number, since it is larger than the sum of its proper divisors (217150713).

250557255 is a wasteful number, since it uses less digits than its factorization.

250557255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428327 (or 428324 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 250557255 is about 15829.0004422263. Note that the first 3 decimals coincide. The cubic root of 250557255 is about 630.4282424719.

The spelling of 250557255 in words is "two hundred fifty million, five hundred fifty-seven thousand, two hundred fifty-five".