1055731 has 2 divisors, whose sum is σ = 1055732. Its totient is φ = 1055730.

The previous prime is 1055713. The next prime is 1055737. The reversal of 1055731 is 1375501.

Together with previous prime (1055713) 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 1055731 - 2⁷ = 1055603 is a prime.

It is a super-2 number, since 2×1055731² = 2229135888722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527865 + 527866.

It is an arithmetic number, because the mean of its divisors is an integer number (527866).

2^1055731 is an apocalyptic number.

1055731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055731 is an equidigital number, since it uses as much as digits as its factorization.

1055731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1055731 is about 1027.4877128219. The cubic root of 1055731 is about 101.8242198655.

The spelling of 1055731 in words is "one million, fifty-five thousand, seven hundred thirty-one".