1959149 has 2 divisors, whose sum is σ = 1959150. Its totient is φ = 1959148.

The previous prime is 1959091. The next prime is 1959151. The reversal of 1959149 is 9419591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 243049 = 1310^2 + 493^2 .

It is an emirp because it is prime and its reverse (9419591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1959149 is a prime.

Together with 1959151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1959179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 979574 + 979575.

It is an arithmetic number, because the mean of its divisors is an integer number (979575).

2^1959149 is an apocalyptic number.

It is an amenable number.

1959149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1959149 is an equidigital number, since it uses as much as digits as its factorization.

1959149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 38.

The square root of 1959149 is about 1399.6960384312. The cubic root of 1959149 is about 125.1283801033.

It can be divided in two parts, 19591 and 49, that multiplied together give a palindrome (959959).

The spelling of 1959149 in words is "one million, nine hundred fifty-nine thousand, one hundred forty-nine".