255473902 has 4 divisors (see below), whose sum is σ = 383210856. Its totient is φ = 127736950.

The previous prime is 255473893. The next prime is 255473923. The reversal of 255473902 is 209374552.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63868474 + ... + 63868477.

It is an arithmetic number, because the mean of its divisors is an integer number (95802714).

Almost surely, 2^255473902 is an apocalyptic number.

255473902 is a deficient number, since it is larger than the sum of its proper divisors (127736954).

255473902 is a wasteful number, since it uses less digits than its factorization.

255473902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127736953.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 255473902 is about 15983.5509821817. The cubic root of 255473902 is about 634.5251597168.

The spelling of 255473902 in words is "two hundred fifty-five million, four hundred seventy-three thousand, nine hundred two".