254598940513 has 4 divisors (see below), whose sum is σ = 254603319300. Its totient is φ = 254594561728.

The previous prime is 254598940511. The next prime is 254598940601. The reversal of 254598940513 is 315049895452.

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 55461663009 + 199137277504 = 235503^2 + 446248^2 .

It is a cyclic number.

It is not a de Polignac number, because 254598940513 - 2¹ = 254598940511 is a prime.

It is a super-2 number, since 2×254598940513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254598940511) 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, 2100988 + ... + 2218861.

It is an arithmetic number, because the mean of its divisors is an integer number (63650829825).

Almost surely, 2^254598940513 is an apocalyptic number.

It is an amenable number.

254598940513 is a deficient number, since it is larger than the sum of its proper divisors (4378787).

254598940513 is an equidigital number, since it uses as much as digits as its factorization.

254598940513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378786.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 254598940513 in words is "two hundred fifty-four billion, five hundred ninety-eight million, nine hundred forty thousand, five hundred thirteen".