2945237 has 4 divisors (see below), whose sum is σ = 3024876. Its totient is φ = 2865600.

The previous prime is 2945227. The next prime is 2945249. The reversal of 2945237 is 7325492.

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 1002001 + 1943236 = 1001^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945237 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 (2945207) 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, 39764 + ... + 39837.

It is an arithmetic number, because the mean of its divisors is an integer number (756219).

2^2945237 is an apocalyptic number.

It is an amenable number.

2945237 is a deficient number, since it is larger than the sum of its proper divisors (79639).

2945237 is an equidigital number, since it uses as much as digits as its factorization.

2945237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79638.

The product of its digits is 15120, while the sum is 32.

The square root of 2945237 is about 1716.1692806947. The cubic root of 2945237 is about 143.3419855362.

The spelling of 2945237 in words is "two million, nine hundred forty-five thousand, two hundred thirty-seven".