255430401 has 16 divisors (see below), whose sum is σ = 344752128. Its totient is φ = 168210000.

The previous prime is 255430393. The next prime is 255430459. The reversal of 255430401 is 104034552.

255430401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255430401 - 2³ = 255430393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255430001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94296 + ... + 96966.

It is an arithmetic number, because the mean of its divisors is an integer number (21547008).

Almost surely, 2^255430401 is an apocalyptic number.

It is an amenable number.

255430401 is a deficient number, since it is larger than the sum of its proper divisors (89321727).

255430401 is a wasteful number, since it uses less digits than its factorization.

255430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255430401 is about 15982.1901190043. The cubic root of 255430401 is about 634.4891429318.

Adding to 255430401 its reverse (104034552), we get a palindrome (359464953).

The spelling of 255430401 in words is "two hundred fifty-five million, four hundred thirty thousand, four hundred one".