275425605 has 96 divisors (see below), whose sum is σ = 594187776. Its totient is φ = 114918912.

The previous prime is 275425559. The next prime is 275425613. The reversal of 275425605 is 506524572.

275425605 is a `hidden beast` number, since 2 + 7 + 5 + 42 + 5 + 605 = 666.

It is not a de Polignac number, because 275425605 - 2⁷ = 275425477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275425605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 421459 + ... + 422111.

It is an arithmetic number, because the mean of its divisors is an integer number (6189456).

Almost surely, 2^275425605 is an apocalyptic number.

It is an amenable number.

275425605 is an abundant number, since it is smaller than the sum of its proper divisors (318762171).

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

275425605 is a wasteful number, since it uses less digits than its factorization.

275425605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 275425605 is about 16595.9514641373. The cubic root of 275425605 is about 650.6310282172.

The spelling of 275425605 in words is "two hundred seventy-five million, four hundred twenty-five thousand, six hundred five".