1351913 has 2 divisors, whose sum is σ = 1351914. Its totient is φ = 1351912.

The previous prime is 1351901. The next prime is 1351919. The reversal of 1351913 is 3191531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 375769 = 988^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351913 - 2⁴ = 1351897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675956 + 675957.

It is an arithmetic number, because the mean of its divisors is an integer number (675957).

2^1351913 is an apocalyptic number.

It is an amenable number.

1351913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351913 is an equidigital number, since it uses as much as digits as its factorization.

1351913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405, while the sum is 23.

The square root of 1351913 is about 1162.7179365607. The cubic root of 1351913 is about 110.5731244110.

It can be divided in two parts, 135 and 1913, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1351913 in words is "one million, three hundred fifty-one thousand, nine hundred thirteen".