254315513 has 4 divisors (see below), whose sum is σ = 267700560. Its totient is φ = 240930468.

The previous prime is 254315489. The next prime is 254315519. The reversal of 254315513 is 315513452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254315513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254315519) 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, 6692495 + ... + 6692532.

It is an arithmetic number, because the mean of its divisors is an integer number (66925140).

Almost surely, 2^254315513 is an apocalyptic number.

It is an amenable number.

254315513 is a deficient number, since it is larger than the sum of its proper divisors (13385047).

254315513 is a wasteful number, since it uses less digits than its factorization.

254315513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385046.

The product of its digits is 9000, while the sum is 29.

The square root of 254315513 is about 15947.2729016594. The cubic root of 254315513 is about 633.5646692914.

Adding to 254315513 its reverse (315513452), we get a palindrome (569828965).

The spelling of 254315513 in words is "two hundred fifty-four million, three hundred fifteen thousand, five hundred thirteen".