2546006513 has 4 divisors (see below), whose sum is σ = 2695771620. Its totient is φ = 2396241408.

The previous prime is 2546006509. The next prime is 2546006521. The reversal of 2546006513 is 3156006452.

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 1937496289 + 608510224 = 44017^2 + 24668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546006513 - 2² = 2546006509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2546006513.

It is not an unprimeable number, because it can be changed into a prime (2546006563) 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, 74882528 + ... + 74882561.

It is an arithmetic number, because the mean of its divisors is an integer number (673942905).

Almost surely, 2^2546006513 is an apocalyptic number.

It is an amenable number.

2546006513 is a deficient number, since it is larger than the sum of its proper divisors (149765107).

2546006513 is a wasteful number, since it uses less digits than its factorization.

2546006513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149765106.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2546006513 is about 50457.9677850783. The cubic root of 2546006513 is about 1365.4836470827.

The spelling of 2546006513 in words is "two billion, five hundred forty-six million, six thousand, five hundred thirteen".