275220534 has 8 divisors (see below), whose sum is σ = 550441080. Its totient is φ = 91740176.

The previous prime is 275220521. The next prime is 275220551. The reversal of 275220534 is 435022572.

It is a sphenic number, since it is the product of 3 distinct primes.

275220534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22935039 + ... + 22935050.

It is an arithmetic number, because the mean of its divisors is an integer number (68805135).

Almost surely, 2^275220534 is an apocalyptic number.

275220534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275220534 is a wasteful number, since it uses less digits than its factorization.

275220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45870094.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 275220534 is about 16589.7719694998. The cubic root of 275220534 is about 650.4695100900.

The spelling of 275220534 in words is "two hundred seventy-five million, two hundred twenty thousand, five hundred thirty-four".