254140913 has 4 divisors (see below), whose sum is σ = 273690228. Its totient is φ = 234591600.

The previous prime is 254140897. The next prime is 254140967. The reversal of 254140913 is 319041452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98565184 + 155575729 = 9928^2 + 12473^2 .

It is a cyclic number.

It is not a de Polignac number, because 254140913 - 2⁴ = 254140897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254140993) 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, 9774638 + ... + 9774663.

It is an arithmetic number, because the mean of its divisors is an integer number (68422557).

Almost surely, 2^254140913 is an apocalyptic number.

It is an amenable number.

254140913 is a deficient number, since it is larger than the sum of its proper divisors (19549315).

254140913 is a wasteful number, since it uses less digits than its factorization.

254140913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19549314.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 254140913 is about 15941.7976715300. The cubic root of 254140913 is about 633.4196450850.

The spelling of 254140913 in words is "two hundred fifty-four million, one hundred forty thousand, nine hundred thirteen".