5537731 has 2 divisors, whose sum is σ = 5537732. Its totient is φ = 5537730.

The previous prime is 5537713. The next prime is 5537737. The reversal of 5537731 is 1377355.

It is a happy number.

Together with previous prime (5537713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5537731 - 2⁷ = 5537603 is a prime.

It is a super-2 number, since 2×5537731² = 61332929256722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5537693 and 5537702.

It is not a weakly prime, because it can be changed into another prime (5537737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768865 + 2768866.

It is an arithmetic number, because the mean of its divisors is an integer number (2768866).

Almost surely, 2^5537731 is an apocalyptic number.

5537731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5537731 is an equidigital number, since it uses as much as digits as its factorization.

5537731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11025, while the sum is 31.

The square root of 5537731 is about 2353.2384069618. The cubic root of 5537731 is about 176.9201444282.

The spelling of 5537731 in words is "five million, five hundred thirty-seven thousand, seven hundred thirty-one".