2545481013 has 4 divisors (see below), whose sum is σ = 3393974688. Its totient is φ = 1696987340.

The previous prime is 2545480991. The next prime is 2545481051. The reversal of 2545481013 is 3101845452.

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 2545481013 - 2¹² = 2545476917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545481063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424246833 + ... + 424246838.

It is an arithmetic number, because the mean of its divisors is an integer number (848493672).

Almost surely, 2^2545481013 is an apocalyptic number.

It is an amenable number.

2545481013 is a deficient number, since it is larger than the sum of its proper divisors (848493675).

2545481013 is an equidigital number, since it uses as much as digits as its factorization.

2545481013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848493674.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2545481013 is about 50452.7602119052. The cubic root of 2545481013 is about 1365.3896945827.

The spelling of 2545481013 in words is "two billion, five hundred forty-five million, four hundred eighty-one thousand, thirteen".