255451402 has 8 divisors (see below), whose sum is σ = 392523012. Its totient is φ = 124610400.

The previous prime is 255451379. The next prime is 255451421. The reversal of 255451402 is 204154552.

255451402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252523881 + 2927521 = 15891^2 + 1711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557549 + ... + 1557712.

Almost surely, 2^255451402 is an apocalyptic number.

255451402 is a deficient number, since it is larger than the sum of its proper divisors (137071610).

255451402 is a wasteful number, since it uses less digits than its factorization.

255451402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115304.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 255451402 is about 15982.8471180826. The cubic root of 255451402 is about 634.5065312840.

It can be divided in two parts, 2554 and 51402, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 255451402 in words is "two hundred fifty-five million, four hundred fifty-one thousand, four hundred two".