655774375 has 10 divisors (see below), whose sum is σ = 819456440. Its totient is φ = 524619000.

The previous prime is 655774373. The next prime is 655774391. The reversal of 655774375 is 573477556.

655774375 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655774375 - 2¹ = 655774373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655774373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 523995 + ... + 525244.

It is an arithmetic number, because the mean of its divisors is an integer number (81945644).

Almost surely, 2^655774375 is an apocalyptic number.

655774375 is a deficient number, since it is larger than the sum of its proper divisors (163682065).

655774375 is an equidigital number, since it uses as much as digits as its factorization.

655774375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049259 (or 1049244 counting only the distinct ones).

The product of its digits is 3087000, while the sum is 49.

The square root of 655774375 is about 25608.0919828089. The cubic root of 655774375 is about 868.7966695078.

The spelling of 655774375 in words is "six hundred fifty-five million, seven hundred seventy-four thousand, three hundred seventy-five".