254616513 has 4 divisors (see below), whose sum is σ = 339488688. Its totient is φ = 169744340.

The previous prime is 254616503. The next prime is 254616517. The reversal of 254616513 is 315616452.

254616513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 254616513 - 2¹⁶ = 254550977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254616517) 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, 42436083 + ... + 42436088.

It is an arithmetic number, because the mean of its divisors is an integer number (84872172).

Almost surely, 2^254616513 is an apocalyptic number.

It is an amenable number.

254616513 is a deficient number, since it is larger than the sum of its proper divisors (84872175).

254616513 is an equidigital number, since it uses as much as digits as its factorization.

254616513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84872174.

The product of its digits is 21600, while the sum is 33.

The square root of 254616513 is about 15956.7074611274. The cubic root of 254616513 is about 633.8145266123.

The spelling of 254616513 in words is "two hundred fifty-four million, six hundred sixteen thousand, five hundred thirteen".