2500237 has 4 divisors (see below), whose sum is σ = 2503836. Its totient is φ = 2496640.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500237 is 7320052.

It is a happy number.

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 1590121 + 910116 = 1261^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500237 - 2⁷ = 2500109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (625959).

2^2500237 is an apocalyptic number.

It is an amenable number.

2500237 is a deficient number, since it is larger than the sum of its proper divisors (3599).

2500237 is an equidigital number, since it uses as much as digits as its factorization.

2500237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2500237 is about 1581.2137742886. The cubic root of 2500237 is about 135.7251694741.

Adding to 2500237 its reverse (7320052), we get a palindrome (9820289).

The spelling of 2500237 in words is "two million, five hundred thousand, two hundred thirty-seven".