1025231 has 2 divisors, whose sum is σ = 1025232. Its totient is φ = 1025230.

The previous prime is 1025209. The next prime is 1025239. The reversal of 1025231 is 1325201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025231 - 2¹⁰ = 1024207 is a prime.

It is a super-2 number, since 2×1025231² = 2102197206722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512615 + 512616.

It is an arithmetic number, because the mean of its divisors is an integer number (512616).

2^1025231 is an apocalyptic number.

1025231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025231 is an equidigital number, since it uses as much as digits as its factorization.

1025231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1025231 is about 1012.5369129074. The cubic root of 1025231 is about 100.8340574742.

The spelling of 1025231 in words is "one million, twenty-five thousand, two hundred thirty-one".