1541431 has 2 divisors, whose sum is σ = 1541432. Its totient is φ = 1541430.

The previous prime is 1541429. The next prime is 1541453. The reversal of 1541431 is 1341451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1541431 - 2¹ = 1541429 is a prime.

It is a super-2 number, since 2×1541431² = 4752019055522, which contains 22 as substring.

Together with 1541429, it forms a pair of twin primes.

1541431 is a lucky number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1541399 and 1541408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770715 + 770716.

It is an arithmetic number, because the mean of its divisors is an integer number (770716).

2^1541431 is an apocalyptic number.

1541431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541431 is an equidigital number, since it uses as much as digits as its factorization.

1541431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 1541431 is about 1241.5437970527. The cubic root of 1541431 is about 115.5157927719.

Adding to 1541431 its reverse (1341451), we get a palindrome (2882882).

The spelling of 1541431 in words is "one million, five hundred forty-one thousand, four hundred thirty-one".