254502313 has 4 divisors (see below), whose sum is σ = 274079428. Its totient is φ = 234925200.

The previous prime is 254502307. The next prime is 254502323. The reversal of 254502313 is 313205452.

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 82682649 + 171819664 = 9093^2 + 13108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254502313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254502323) 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, 9788538 + ... + 9788563.

It is an arithmetic number, because the mean of its divisors is an integer number (68519857).

Almost surely, 2^254502313 is an apocalyptic number.

It is an amenable number.

254502313 is a deficient number, since it is larger than the sum of its proper divisors (19577115).

254502313 is a wasteful number, since it uses less digits than its factorization.

254502313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577114.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 254502313 is about 15953.1286273257. The cubic root of 254502313 is about 633.7197534411.

Adding to 254502313 its reverse (313205452), we get a palindrome (567707765).

The spelling of 254502313 in words is "two hundred fifty-four million, five hundred two thousand, three hundred thirteen".