2542513 has 2 divisors, whose sum is σ = 2542514. Its totient is φ = 2542512.

The previous prime is 2542511. The next prime is 2542531. The reversal of 2542513 is 3152452.

2542513 = 1127² + 1128².

Together with next prime (2542531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 1270129 = 1128^2 + 1127^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542513 - 2¹ = 2542511 is a prime.

Together with 2542511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2542511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271256 + 1271257.

It is an arithmetic number, because the mean of its divisors is an integer number (1271257).

2^2542513 is an apocalyptic number.

2542513 is the 1128-th centered square number.

It is an amenable number.

2542513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542513 is an equidigital number, since it uses as much as digits as its factorization.

2542513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 2542513 is about 1594.5259483621. The cubic root of 2542513 is about 136.4858809926.

Adding to 2542513 its reverse (3152452), we get a palindrome (5694965).

The spelling of 2542513 in words is "two million, five hundred forty-two thousand, five hundred thirteen".