2645037 has 6 divisors (see below), whose sum is σ = 3820622. Its totient is φ = 1763352.

The previous prime is 2645011. The next prime is 2645051. The reversal of 2645037 is 7305462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 715716 = 1389^2 + 846^2 .

It is not a de Polignac number, because 2645037 - 2¹² = 2640941 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 4⁷ + 5 + 0 + 3¹² + 7² .

It is a Duffinian number.

2645037 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2645037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146938 + ... + 146955.

2^2645037 is an apocalyptic number.

It is an amenable number.

2645037 is a deficient number, since it is larger than the sum of its proper divisors (1175585).

2645037 is a wasteful number, since it uses less digits than its factorization.

2645037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293899 (or 293896 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2645037 is about 1626.3569718853. The cubic root of 2645037 is about 138.2963072467.

The spelling of 2645037 in words is "two million, six hundred forty-five thousand, thirty-seven".