1522249 has 2 divisors, whose sum is σ = 1522250. Its totient is φ = 1522248.

The previous prime is 1522201. The next prime is 1522253. The reversal of 1522249 is 9422251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 937024 + 585225 = 968^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522249 - 2¹⁹ = 997961 is a prime.

It is an Ulam number.

It is equal to p₁₁₅₇₃₈ and since 1522249 and 115738 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1522049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761124 + 761125.

It is an arithmetic number, because the mean of its divisors is an integer number (761125).

2^1522249 is an apocalyptic number.

It is an amenable number.

1522249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522249 is an equidigital number, since it uses as much as digits as its factorization.

1522249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 1522249 is about 1233.7945534002. The cubic root of 1522249 is about 115.0346209562.

It can be divided in two parts, 1522 and 249, that added together give a palindrome (1771).

The spelling of 1522249 in words is "one million, five hundred twenty-two thousand, two hundred forty-nine".