255012401 has 4 divisors (see below), whose sum is σ = 291442752. Its totient is φ = 218582052.

The previous prime is 255012389. The next prime is 255012409. The reversal of 255012401 is 104210552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255012401 - 2¹⁸ = 254750257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255012409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18215165 + ... + 18215178.

It is an arithmetic number, because the mean of its divisors is an integer number (72860688).

Almost surely, 2^255012401 is an apocalyptic number.

It is an amenable number.

255012401 is a deficient number, since it is larger than the sum of its proper divisors (36430351).

255012401 is an equidigital number, since it uses as much as digits as its factorization.

255012401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36430350.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 255012401 is about 15969.1077083223. The cubic root of 255012401 is about 634.1428499510.

Adding to 255012401 its reverse (104210552), we get a palindrome (359222953).

The spelling of 255012401 in words is "two hundred fifty-five million, twelve thousand, four hundred one".