255381590 has 16 divisors (see below), whose sum is σ = 461017872. Its totient is φ = 101856864.

The previous prime is 255381587. The next prime is 255381593. The reversal of 255381590 is 95183552.

255381590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255381587) and next prime (255381593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255381593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33329 + ... + 40268.

It is an arithmetic number, because the mean of its divisors is an integer number (28813617).

Almost surely, 2^255381590 is an apocalyptic number.

255381590 is a deficient number, since it is larger than the sum of its proper divisors (205636282).

255381590 is a wasteful number, since it uses less digits than its factorization.

255381590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73951.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 255381590 is about 15980.6630025165. The cubic root of 255381590 is about 634.4487248475.

The spelling of 255381590 in words is "two hundred fifty-five million, three hundred eighty-one thousand, five hundred ninety".