275052090 has 16 divisors (see below), whose sum is σ = 660125088. Its totient is φ = 73347216.

The previous prime is 275052077. The next prime is 275052103. The reversal of 275052090 is 90250572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (275052077) and next prime (275052103).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9168403 = 275052090 / (2 + 7 + 5 + 0 + 5 + 2 + 0 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4584172 + ... + 4584231.

It is an arithmetic number, because the mean of its divisors is an integer number (41257818).

Almost surely, 2^275052090 is an apocalyptic number.

275052090 is an abundant number, since it is smaller than the sum of its proper divisors (385072998).

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

275052090 is a wasteful number, since it uses less digits than its factorization.

275052090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168413.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 275052090 is about 16584.6944500042. The cubic root of 275052090 is about 650.3367801114.

The spelling of 275052090 in words is "two hundred seventy-five million, fifty-two thousand, ninety".