2545237 has 2 divisors, whose sum is σ = 2545238. Its totient is φ = 2545236.

The previous prime is 2545211. The next prime is 2545241. The reversal of 2545237 is 7325452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2414916 + 130321 = 1554^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545237 - 2¹⁵ = 2512469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272618 + 1272619.

It is an arithmetic number, because the mean of its divisors is an integer number (1272619).

2^2545237 is an apocalyptic number.

It is an amenable number.

2545237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545237 is an equidigital number, since it uses as much as digits as its factorization.

2545237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 28.

The square root of 2545237 is about 1595.3798920633. The cubic root of 2545237 is about 136.5346063866.

The spelling of 2545237 in words is "two million, five hundred forty-five thousand, two hundred thirty-seven".