1532231 has 2 divisors, whose sum is σ = 1532232. Its totient is φ = 1532230.

The previous prime is 1532183. The next prime is 1532243. The reversal of 1532231 is 1322351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1532231 - 2¹⁴ = 1515847 is a prime.

It is a super-2 number, since 2×1532231² = 4695463674722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1532291) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766115 + 766116.

It is an arithmetic number, because the mean of its divisors is an integer number (766116).

2^1532231 is an apocalyptic number.

1532231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532231 is an equidigital number, since it uses as much as digits as its factorization.

1532231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 17.

The square root of 1532231 is about 1237.8331874691. The cubic root of 1532231 is about 115.2855161313.

Adding to 1532231 its reverse (1322351), we get a palindrome (2854582).

The spelling of 1532231 in words is "one million, five hundred thirty-two thousand, two hundred thirty-one".