275023493 has 4 divisors (see below), whose sum is σ = 277693728. Its totient is φ = 272353260.

The previous prime is 275023481. The next prime is 275023523. The reversal of 275023493 is 394320572.

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 275023493 - 2⁴ = 275023477 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 (275022493) 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, 1334963 + ... + 1335168.

It is an arithmetic number, because the mean of its divisors is an integer number (69423432).

Almost surely, 2^275023493 is an apocalyptic number.

It is an amenable number.

275023493 is a deficient number, since it is larger than the sum of its proper divisors (2670235).

275023493 is a wasteful number, since it uses less digits than its factorization.

275023493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670234.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 275023493 is about 16583.8322772512. The cubic root of 275023493 is about 650.3142409559.

The spelling of 275023493 in words is "two hundred seventy-five million, twenty-three thousand, four hundred ninety-three".