5642245 has 32 divisors (see below), whose sum is σ = 8312832. Its totient is φ = 3592512.

The previous prime is 5642239. The next prime is 5642251. The reversal of 5642245 is 5422465.

5642245 = 162² + 163² + ... + 276².

It is an interprime number because it is at equal distance from previous prime (5642239) and next prime (5642251).

It is a de Polignac number, because none of the positive numbers 2^k-5642245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34534 + ... + 34696.

It is an arithmetic number, because the mean of its divisors is an integer number (259776).

Almost surely, 2^5642245 is an apocalyptic number.

It is an amenable number.

5642245 is a deficient number, since it is larger than the sum of its proper divisors (2670587).

5642245 is a wasteful number, since it uses less digits than its factorization.

5642245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 9600, while the sum is 28.

The square root of 5642245 is about 2375.3410281473. The cubic root of 5642245 is about 178.0262238854.

It can be divided in two parts, 564 and 2245, that added together give a square (2809 = 53²).

The spelling of 5642245 in words is "five million, six hundred forty-two thousand, two hundred forty-five".