255362642 has 4 divisors (see below), whose sum is σ = 383043966. Its totient is φ = 127681320.

The previous prime is 255362633. The next prime is 255362651. The reversal of 255362642 is 246263552.

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

It is an interprime number because it is at equal distance from previous prime (255362633) and next prime (255362651).

It can be written as a sum of positive squares in only one way, i.e., 157728481 + 97634161 = 12559^2 + 9881^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63840659 + ... + 63840662.

Almost surely, 2^255362642 is an apocalyptic number.

255362642 is a deficient number, since it is larger than the sum of its proper divisors (127681324).

255362642 is a wasteful number, since it uses less digits than its factorization.

255362642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127681323.

The product of its digits is 86400, while the sum is 35.

The square root of 255362642 is about 15980.0701500338. The cubic root of 255362642 is about 634.4330335157.

The spelling of 255362642 in words is "two hundred fifty-five million, three hundred sixty-two thousand, six hundred forty-two".