5731507 has 4 divisors (see below), whose sum is σ = 5769616. Its totient is φ = 5693400.

The previous prime is 5731487. The next prime is 5731519. The reversal of 5731507 is 7051375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5731507 - 2¹⁵ = 5698739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5731207) 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, 18828 + ... + 19129.

It is an arithmetic number, because the mean of its divisors is an integer number (1442404).

Almost surely, 2^5731507 is an apocalyptic number.

5731507 is a deficient number, since it is larger than the sum of its proper divisors (38109).

5731507 is a wasteful number, since it uses less digits than its factorization.

5731507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38108.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 5731507 is about 2394.0565991639. The cubic root of 5731507 is about 178.9601255292.

It can be divided in two parts, 573 and 1507, that added together give a triangular number (2080 = T₆₄).

The spelling of 5731507 in words is "five million, seven hundred thirty-one thousand, five hundred seven".