260157 has 4 divisors (see below), whose sum is σ = 346880. Its totient is φ = 173436.

The previous prime is 260137. The next prime is 260171. The reversal of 260157 is 751062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 260157 - 2¹¹ = 258109 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260137) 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, 43357 + ... + 43362.

It is an arithmetic number, because the mean of its divisors is an integer number (86720).

2²⁶⁰¹⁵⁷ is an apocalyptic number.

It is an amenable number.

260157 is a deficient number, since it is larger than the sum of its proper divisors (86723).

260157 is an equidigital number, since it uses as much as digits as its factorization.

260157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86722.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 260157 is about 510.0558792917. The cubic root of 260157 is about 63.8378872392.

The spelling of 260157 in words is "two hundred sixty thousand, one hundred fifty-seven".