255735157 has 4 divisors (see below), whose sum is σ = 262646956. Its totient is φ = 248823360.

The previous prime is 255735149. The next prime is 255735167. The reversal of 255735157 is 751537552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 170929476 + 84805681 = 13074^2 + 9209^2 .

It is a cyclic number.

It is not a de Polignac number, because 255735157 - 2³ = 255735149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255735127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455844 + ... + 3455917.

It is an arithmetic number, because the mean of its divisors is an integer number (65661739).

Almost surely, 2^255735157 is an apocalyptic number.

It is an amenable number.

255735157 is a deficient number, since it is larger than the sum of its proper divisors (6911799).

255735157 is an equidigital number, since it uses as much as digits as its factorization.

255735157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911798.

The product of its digits is 183750, while the sum is 40.

The square root of 255735157 is about 15991.7215145837. The cubic root of 255735157 is about 634.7413806215.

The spelling of 255735157 in words is "two hundred fifty-five million, seven hundred thirty-five thousand, one hundred fifty-seven".