2521373 has 2 divisors, whose sum is σ = 2521374. Its totient is φ = 2521372.

The previous prime is 2521367. The next prime is 2521397. The reversal of 2521373 is 3731252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2393209 + 128164 = 1547^2 + 358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260686 + 1260687.

It is an arithmetic number, because the mean of its divisors is an integer number (1260687).

2^2521373 is an apocalyptic number.

It is an amenable number.

2521373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521373 is an equidigital number, since it uses as much as digits as its factorization.

2521373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 2521373 is about 1587.8831821013. The cubic root of 2521373 is about 136.1065521666.

The spelling of 2521373 in words is "two million, five hundred twenty-one thousand, three hundred seventy-three".