5261731 has 4 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 5080264.

The previous prime is 5261719. The next prime is 5261741. The reversal of 5261731 is 1371625.

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 5261731 - 2⁵ = 5261699 is a prime.

It is a super-2 number, since 2×5261731² = 55371626232722, 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 = 5261696 and 5261705.

It is not an unprimeable number, because it can be changed into a prime (5261701) 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, 90691 + ... + 90748.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^5261731 is an apocalyptic number.

5261731 is a deficient number, since it is larger than the sum of its proper divisors (181469).

5261731 is a wasteful number, since it uses less digits than its factorization.

5261731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181468.

The product of its digits is 1260, while the sum is 25.

The square root of 5261731 is about 2293.8463331270. The cubic root of 5261731 is about 173.9306875912.

The spelling of 5261731 in words is "five million, two hundred sixty-one thousand, seven hundred thirty-one".