4055731 has 4 divisors (see below), whose sum is σ = 4060512. Its totient is φ = 4050952.

The previous prime is 4055687. The next prime is 4055747. The reversal of 4055731 is 1375504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4055731 - 2¹³ = 4047539 is a prime.

It is a super-2 number, since 2×4055731² = 32897907888722, 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 = 4055696 and 4055705.

It is not an unprimeable number, because it can be changed into a prime (4055791) 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, 736 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (1015128).

Almost surely, 2^4055731 is an apocalyptic number.

4055731 is a deficient number, since it is larger than the sum of its proper divisors (4781).

4055731 is a wasteful number, since it uses less digits than its factorization.

4055731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 4055731 is about 2013.8845547846. The cubic root of 4055731 is about 159.4739363144.

The spelling of 4055731 in words is "four million, fifty-five thousand, seven hundred thirty-one".