275252496157 has 4 divisors (see below), whose sum is σ = 275253635740. Its totient is φ = 275251356576.

The previous prime is 275252496047. The next prime is 275252496179. The reversal of 275252496157 is 751694252572.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40154548996 + 235097947161 = 200386^2 + 484869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275252496157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275252496098 and 275252496107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275252496187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48528 + ... + 743545.

It is an arithmetic number, because the mean of its divisors is an integer number (68813408935).

Almost surely, 2^275252496157 is an apocalyptic number.

It is an amenable number.

275252496157 is a deficient number, since it is larger than the sum of its proper divisors (1139583).

275252496157 is an equidigital number, since it uses as much as digits as its factorization.

275252496157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139582.

The product of its digits is 10584000, while the sum is 55.

The spelling of 275252496157 in words is "two hundred seventy-five billion, two hundred fifty-two million, four hundred ninety-six thousand, one hundred fifty-seven".