2545513 has 2 divisors, whose sum is σ = 2545514. Its totient is φ = 2545512.

The previous prime is 2545493. The next prime is 2545519. The reversal of 2545513 is 3155452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 1098304 = 1203^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545513 - 2⁵ = 2545481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272756 + 1272757.

It is an arithmetic number, because the mean of its divisors is an integer number (1272757).

2^2545513 is an apocalyptic number.

It is an amenable number.

2545513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545513 is an equidigital number, since it uses as much as digits as its factorization.

2545513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 25.

The square root of 2545513 is about 1595.4663894924. The cubic root of 2545513 is about 136.5395413808.

The spelling of 2545513 in words is "two million, five hundred forty-five thousand, five hundred thirteen".