254987897 has 8 divisors (see below), whose sum is σ = 261848160. Its totient is φ = 248158240.

The previous prime is 254987891. The next prime is 254987899. The reversal of 254987897 is 798789452.

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

It is not a de Polignac number, because 254987897 - 2¹⁴ = 254971513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254987891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9758 + ... + 24600.

It is an arithmetic number, because the mean of its divisors is an integer number (32731020).

Almost surely, 2^254987897 is an apocalyptic number.

It is an amenable number.

254987897 is a deficient number, since it is larger than the sum of its proper divisors (6860263).

254987897 is a wasteful number, since it uses less digits than its factorization.

254987897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303.

The product of its digits is 10160640, while the sum is 59.

The square root of 254987897 is about 15968.3404585448. The cubic root of 254987897 is about 634.1225378223.

The spelling of 254987897 in words is "two hundred fifty-four million, nine hundred eighty-seven thousand, eight hundred ninety-seven".