2645237 has 8 divisors (see below), whose sum is σ = 3182400. Its totient is φ = 2147904.

The previous prime is 2645233. The next prime is 2645239. The reversal of 2645237 is 7325462.

2645237 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2645237 - 2² = 2645233 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 4⁶ + 5 + 2²¹ + 3⁹ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9812 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (397800).

2^2645237 is an apocalyptic number.

It is an amenable number.

2645237 is a deficient number, since it is larger than the sum of its proper divisors (537163).

2645237 is a wasteful number, since it uses less digits than its factorization.

2645237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19915.

The product of its digits is 10080, while the sum is 29.

The square root of 2645237 is about 1626.4184578392. The cubic root of 2645237 is about 138.2997928393.

It can be divided in two parts, 2645 and 237, that added together give a palindrome (2882).

The spelling of 2645237 in words is "two million, six hundred forty-five thousand, two hundred thirty-seven".