1522361 has 2 divisors, whose sum is σ = 1522362. Its totient is φ = 1522360.

The previous prime is 1522357. The next prime is 1522363. The reversal of 1522361 is 1632251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 430336 = 1045^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522361 - 2² = 1522357 is a prime.

Together with 1522363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1522363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761180 + 761181.

It is an arithmetic number, because the mean of its divisors is an integer number (761181).

2^1522361 is an apocalyptic number.

It is an amenable number.

1522361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522361 is an equidigital number, since it uses as much as digits as its factorization.

1522361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 1522361 is about 1233.8399409972. The cubic root of 1522361 is about 115.0374421245.

The spelling of 1522361 in words is "one million, five hundred twenty-two thousand, three hundred sixty-one".