1951441 has 2 divisors, whose sum is σ = 1951442. Its totient is φ = 1951440.

The previous prime is 1951429. The next prime is 1951457. The reversal of 1951441 is 1441591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 817216 = 1065^2 + 904^2 .

It is an emirp because it is prime and its reverse (1441591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1951441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1952441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975720 + 975721.

It is an arithmetic number, because the mean of its divisors is an integer number (975721).

2^1951441 is an apocalyptic number.

It is an amenable number.

1951441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951441 is an equidigital number, since it uses as much as digits as its factorization.

1951441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 1951441 is about 1396.9398698584. The cubic root of 1951441 is about 124.9640643367.

The spelling of 1951441 in words is "one million, nine hundred fifty-one thousand, four hundred forty-one".