2137245 has 16 divisors (see below), whose sum is σ = 3730752. Its totient is φ = 1036160.

The previous prime is 2137243. The next prime is 2137259. The reversal of 2137245 is 5427312.

It is not a de Polignac number, because 2137245 - 2¹ = 2137243 is a prime.

2137245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6312 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (233172).

2^2137245 is an apocalyptic number.

It is an amenable number.

2137245 is a deficient number, since it is larger than the sum of its proper divisors (1593507).

2137245 is a wasteful number, since it uses less digits than its factorization.

2137245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972.

The product of its digits is 1680, while the sum is 24.

The square root of 2137245 is about 1461.9319409603. The cubic root of 2137245 is about 128.8105505869.

The spelling of 2137245 in words is "two million, one hundred thirty-seven thousand, two hundred forty-five".