5725945 has 4 divisors (see below), whose sum is σ = 6871140. Its totient is φ = 4580752.

The previous prime is 5725943. The next prime is 5725981. The reversal of 5725945 is 5495275.

5725945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4507129 + 1218816 = 2123^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 5725945 - 2¹ = 5725943 is a prime.

It is a super-2 number, since 2×5725945² = 65572892286050, which contains 22 as substring.

5725945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5725943) 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, 572590 + ... + 572599.

It is an arithmetic number, because the mean of its divisors is an integer number (1717785).

Almost surely, 2^5725945 is an apocalyptic number.

It is an amenable number.

5725945 is a deficient number, since it is larger than the sum of its proper divisors (1145195).

5725945 is a wasteful number, since it uses less digits than its factorization.

5725945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145194.

The product of its digits is 63000, while the sum is 37.

The square root of 5725945 is about 2392.8946905370. The cubic root of 5725945 is about 178.9022176427.

It can be divided in two parts, 5725 and 945, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 5725945 in words is "five million, seven hundred twenty-five thousand, nine hundred forty-five".