2972245 has 4 divisors (see below), whose sum is σ = 3566700. Its totient is φ = 2377792.

The previous prime is 2972219. The next prime is 2972251. The reversal of 2972245 is 5422792.

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 904401 + 2067844 = 951^2 + 1438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2972245 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 9⁶ + 7³ + 2¹⁸ + 2²¹ + 4 + 5⁶ .

2972245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297220 + ... + 297229.

It is an arithmetic number, because the mean of its divisors is an integer number (891675).

2^2972245 is an apocalyptic number.

It is an amenable number.

2972245 is a deficient number, since it is larger than the sum of its proper divisors (594455).

2972245 is an equidigital number, since it uses as much as digits as its factorization.

2972245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594454.

The product of its digits is 10080, while the sum is 31.

The square root of 2972245 is about 1724.0200114848. The cubic root of 2972245 is about 143.7788045617.

The spelling of 2972245 in words is "two million, nine hundred seventy-two thousand, two hundred forty-five".