1052431 has 2 divisors, whose sum is σ = 1052432. Its totient is φ = 1052430.

The previous prime is 1052417. The next prime is 1052437. The reversal of 1052431 is 1342501.

It is a strong prime.

It is an emirp because it is prime and its reverse (1342501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052431 - 2¹⁵ = 1019663 is a prime.

It is a super-2 number, since 2×1052431² = 2215222019522, which contains 22 as substring.

It is an Ulam number.

1052431 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526215 + 526216.

It is an arithmetic number, because the mean of its divisors is an integer number (526216).

2^1052431 is an apocalyptic number.

1052431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052431 is an equidigital number, since it uses as much as digits as its factorization.

1052431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1052431 is about 1025.8805973406. The cubic root of 1052431 is about 101.7180152090.

Adding to 1052431 its reverse (1342501), we get a palindrome (2394932).

It can be divided in two parts, 105 and 2431, that multiplied together give a triangular number (255255 = T₇₁₄).

The spelling of 1052431 in words is "one million, fifty-two thousand, four hundred thirty-one".