1521049 has 2 divisors, whose sum is σ = 1521050. Its totient is φ = 1521048.

The previous prime is 1521043. The next prime is 1521067. The reversal of 1521049 is 9401251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 589824 = 965^2 + 768^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521049 - 2⁵ = 1521017 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1521043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760524 + 760525.

It is an arithmetic number, because the mean of its divisors is an integer number (760525).

2^1521049 is an apocalyptic number.

It is an amenable number.

1521049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521049 is an equidigital number, since it uses as much as digits as its factorization.

1521049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1521049 is about 1233.3081528961. The cubic root of 1521049 is about 115.0043854660.

The spelling of 1521049 in words is "one million, five hundred twenty-one thousand, forty-nine".