254115863 has 4 divisors (see below), whose sum is σ = 254270880. Its totient is φ = 253960848.

The previous prime is 254115833. The next prime is 254115877. The reversal of 254115863 is 368511452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254115863 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 (254115803) 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, 75023 + ... + 78336.

It is an arithmetic number, because the mean of its divisors is an integer number (63567720).

Almost surely, 2^254115863 is an apocalyptic number.

254115863 is a deficient number, since it is larger than the sum of its proper divisors (155017).

254115863 is a wasteful number, since it uses less digits than its factorization.

254115863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155016.

The product of its digits is 28800, while the sum is 35.

The square root of 254115863 is about 15941.0119816780. The cubic root of 254115863 is about 633.3988328995.

The spelling of 254115863 in words is "two hundred fifty-four million, one hundred fifteen thousand, eight hundred sixty-three".