2537965 has 4 divisors (see below), whose sum is σ = 3045564. Its totient is φ = 2030368.

The previous prime is 2537959. The next prime is 2537987. The reversal of 2537965 is 5697352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 779689 = 1326^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537965 - 2⁷ = 2537837 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5 + 3¹² + 7² + 9⁴ + 6⁶ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253792 + ... + 253801.

It is an arithmetic number, because the mean of its divisors is an integer number (761391).

2^2537965 is an apocalyptic number.

It is an amenable number.

2537965 is a deficient number, since it is larger than the sum of its proper divisors (507599).

2537965 is an equidigital number, since it uses as much as digits as its factorization.

2537965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507598.

The product of its digits is 56700, while the sum is 37.

The square root of 2537965 is about 1593.0991808422. The cubic root of 2537965 is about 136.4044512842.

The spelling of 2537965 in words is "two million, five hundred thirty-seven thousand, nine hundred sixty-five".