3045731 has 4 divisors (see below), whose sum is σ = 3280032. Its totient is φ = 2811432.

The previous prime is 3045727. The next prime is 3045739. The reversal of 3045731 is 1375403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1375403 = 53 ⋅25951.

It is not a de Polignac number, because 3045731 - 2² = 3045727 is a prime.

It is a super-2 number, since 2×3045731² = 18552954648722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3045697 and 3045706.

It is not an unprimeable number, because it can be changed into a prime (3045739) 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, 117131 + ... + 117156.

It is an arithmetic number, because the mean of its divisors is an integer number (820008).

Almost surely, 2^3045731 is an apocalyptic number.

3045731 is a deficient number, since it is larger than the sum of its proper divisors (234301).

3045731 is a wasteful number, since it uses less digits than its factorization.

3045731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234300.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3045731 is about 1745.2022805394. The cubic root of 3045731 is about 144.9541035874.

The spelling of 3045731 in words is "three million, forty-five thousand, seven hundred thirty-one".