2025637 has 2 divisors, whose sum is σ = 2025638. Its totient is φ = 2025636.

The previous prime is 2025631. The next prime is 2025641. The reversal of 2025637 is 7365202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 306916 = 1311^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025637 - 2³ = 2025629 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 2¹³ + 5⁹ + 6⁶ + 3⁶ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2025631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012818 + 1012819.

It is an arithmetic number, because the mean of its divisors is an integer number (1012819).

2^2025637 is an apocalyptic number.

It is an amenable number.

2025637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025637 is an equidigital number, since it uses as much as digits as its factorization.

2025637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2025637 is about 1423.2487484625. The cubic root of 2025637 is about 126.5281642467.

It can be divided in two parts, 2025 and 637, that added together give a palindrome (2662).

The spelling of 2025637 in words is "two million, twenty-five thousand, six hundred thirty-seven".