5625731 has 4 divisors (see below), whose sum is σ = 5870352. Its totient is φ = 5381112.

The previous prime is 5625727. The next prime is 5625749. The reversal of 5625731 is 1375265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1375265 = 5 ⋅275053.

It is a cyclic number.

It is not a de Polignac number, because 5625731 - 2² = 5625727 is a prime.

It is a super-2 number, since 2×5625731² = 63297698568722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 6⁵ + 2¹³ + 5⁵ + 7⁷ + 3¹⁴ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5625694 and 5625703.

It is not an unprimeable number, because it can be changed into a prime (5625701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122276 + ... + 122321.

It is an arithmetic number, because the mean of its divisors is an integer number (1467588).

Almost surely, 2^5625731 is an apocalyptic number.

5625731 is a deficient number, since it is larger than the sum of its proper divisors (244621).

5625731 is a wasteful number, since it uses less digits than its factorization.

5625731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244620.

The product of its digits is 6300, while the sum is 29.

The square root of 5625731 is about 2371.8623484511. The cubic root of 5625731 is about 177.8523688582.

The spelling of 5625731 in words is "five million, six hundred twenty-five thousand, seven hundred thirty-one".