255341961 has 24 divisors (see below), whose sum is σ = 421958784. Its totient is φ = 145756800.

The previous prime is 255341959. The next prime is 255341987. The reversal of 255341961 is 169143552.

255341961 is a `hidden beast` number, since 2 + 553 + 41 + 9 + 61 = 666.

255341961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255341961 - 2¹ = 255341959 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255341941) 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, 89761 + ... + 92561.

It is an arithmetic number, because the mean of its divisors is an integer number (17581616).

Almost surely, 2^255341961 is an apocalyptic number.

255341961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

255341961 is a deficient number, since it is larger than the sum of its proper divisors (166616823).

255341961 is a wasteful number, since it uses less digits than its factorization.

255341961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4258 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 255341961 is about 15979.4230496598. The cubic root of 255341961 is about 634.4159061556.

It can be divided in two parts, 25534 and 1961, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 255341961 in words is "two hundred fifty-five million, three hundred forty-one thousand, nine hundred sixty-one".