1522841 has 2 divisors, whose sum is σ = 1522842. Its totient is φ = 1522840.

The previous prime is 1522837. The next prime is 1522897. The reversal of 1522841 is 1482251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 177241 = 1160^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522841 - 2² = 1522837 is a prime.

It is a super-2 number, since 2×1522841² = 4638089422562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1522811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761420 + 761421.

It is an arithmetic number, because the mean of its divisors is an integer number (761421).

2^1522841 is an apocalyptic number.

It is an amenable number.

1522841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522841 is an equidigital number, since it uses as much as digits as its factorization.

1522841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 23.

The square root of 1522841 is about 1234.0344403622. The cubic root of 1522841 is about 115.0495312785.

The spelling of 1522841 in words is "one million, five hundred twenty-two thousand, eight hundred forty-one".