275215894 has 4 divisors (see below), whose sum is σ = 412823844. Its totient is φ = 137607946.

The previous prime is 275215891. The next prime is 275215921. The reversal of 275215894 is 498512572.

275215894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 275215894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275215891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68803972 + ... + 68803975.

It is an arithmetic number, because the mean of its divisors is an integer number (103205961).

Almost surely, 2^275215894 is an apocalyptic number.

275215894 is a deficient number, since it is larger than the sum of its proper divisors (137607950).

275215894 is a wasteful number, since it uses less digits than its factorization.

275215894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137607949.

The product of its digits is 201600, while the sum is 43.

The square root of 275215894 is about 16589.6321237091. The cubic root of 275215894 is about 650.4658546027.

The spelling of 275215894 in words is "two hundred seventy-five million, two hundred fifteen thousand, eight hundred ninety-four".