1351919 has 2 divisors, whose sum is σ = 1351920. Its totient is φ = 1351918.

The previous prime is 1351913. The next prime is 1351921. The reversal of 1351919 is 9191531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351919 - 2⁸ = 1351663 is a prime.

It is a super-2 number, since 2×1351919² = 3655369965122, which contains 22 as substring.

Together with 1351921, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351891 and 1351900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351913) 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, 675959 + 675960.

It is an arithmetic number, because the mean of its divisors is an integer number (675960).

2^1351919 is an apocalyptic number.

1351919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351919 is an equidigital number, since it uses as much as digits as its factorization.

1351919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 29.

The square root of 1351919 is about 1162.7205167193. The cubic root of 1351919 is about 110.5732879910.

The spelling of 1351919 in words is "one million, three hundred fifty-one thousand, nine hundred nineteen".