255200402 has 4 divisors (see below), whose sum is σ = 382800606. Its totient is φ = 127600200.

The previous prime is 255200389. The next prime is 255200411. The reversal of 255200402 is 204002552.

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

It can be written as a sum of positive squares in only one way, i.e., 179318881 + 75881521 = 13391^2 + 8711^2 .

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, 63800099 + ... + 63800102.

Almost surely, 2^255200402 is an apocalyptic number.

255200402 is a deficient number, since it is larger than the sum of its proper divisors (127600204).

255200402 is a wasteful number, since it uses less digits than its factorization.

255200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127600203.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 255200402 is about 15974.9930203428. The cubic root of 255200402 is about 634.2986465637.

Adding to 255200402 its reverse (204002552), we get a palindrome (459202954).

The spelling of 255200402 in words is "two hundred fifty-five million, two hundred thousand, four hundred two".