275461157 has 4 divisors (see below), whose sum is σ = 275898336. Its totient is φ = 275023980.

The previous prime is 275461127. The next prime is 275461171. The reversal of 275461157 is 751164572.

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 a cyclic number.

It is not a de Polignac number, because 275461157 - 2¹⁶ = 275395621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275461157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275461127) 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, 217643 + ... + 218904.

It is an arithmetic number, because the mean of its divisors is an integer number (68974584).

Almost surely, 2^275461157 is an apocalyptic number.

It is an amenable number.

275461157 is a deficient number, since it is larger than the sum of its proper divisors (437179).

275461157 is an equidigital number, since it uses as much as digits as its factorization.

275461157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437178.

The product of its digits is 58800, while the sum is 38.

The square root of 275461157 is about 16597.0225341776. The cubic root of 275461157 is about 650.6590215467.

The spelling of 275461157 in words is "two hundred seventy-five million, four hundred sixty-one thousand, one hundred fifty-seven".