1954231 has 2 divisors, whose sum is σ = 1954232. Its totient is φ = 1954230.

The previous prime is 1954217. The next prime is 1954237. The reversal of 1954231 is 1324591.

It is a strong prime.

It is an emirp because it is prime and its reverse (1324591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1954231 - 2¹⁹ = 1429943 is a prime.

It is a super-2 number, since 2×1954231² = 7638037602722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁹ + 4 + 2⁷ + 3⁵ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 1954196 and 1954205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977115 + 977116.

It is an arithmetic number, because the mean of its divisors is an integer number (977116).

2^1954231 is an apocalyptic number.

1954231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954231 is an equidigital number, since it uses as much as digits as its factorization.

1954231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 1954231 is about 1397.9381245248. The cubic root of 1954231 is about 125.0235902144.

The spelling of 1954231 in words is "one million, nine hundred fifty-four thousand, two hundred thirty-one".