255972493 has 8 divisors (see below), whose sum is σ = 292762880. Its totient is φ = 219237840.

The previous prime is 255972469. The next prime is 255972523. The reversal of 255972493 is 394279552.

255972493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 255972493 - 2⁵ = 255972461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255972443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3573 + ... + 22906.

It is an arithmetic number, because the mean of its divisors is an integer number (36595360).

Almost surely, 2^255972493 is an apocalyptic number.

It is an amenable number.

255972493 is a deficient number, since it is larger than the sum of its proper divisors (36790387).

255972493 is a wasteful number, since it uses less digits than its factorization.

255972493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27867.

The product of its digits is 680400, while the sum is 46.

The square root of 255972493 is about 15999.1403831581. The cubic root of 255972493 is about 634.9376779723.

The spelling of 255972493 in words is "two hundred fifty-five million, nine hundred seventy-two thousand, four hundred ninety-three".