1523229 has 4 divisors (see below), whose sum is σ = 2030976. Its totient is φ = 1015484.

The previous prime is 1523219. The next prime is 1523233. The reversal of 1523229 is 9223251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1523229 - 2⁷ = 1523101 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1523199 and 1523208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523219) 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 in 3 ways as a sum of consecutive naturals, for example, 253869 + ... + 253874.

It is an arithmetic number, because the mean of its divisors is an integer number (507744).

2^1523229 is an apocalyptic number.

It is an amenable number.

1523229 is a deficient number, since it is larger than the sum of its proper divisors (507747).

1523229 is an equidigital number, since it uses as much as digits as its factorization.

1523229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507746.

The product of its digits is 1080, while the sum is 24.

The square root of 1523229 is about 1234.1916382799. The cubic root of 1523229 is about 115.0593014881.

The spelling of 1523229 in words is "one million, five hundred twenty-three thousand, two hundred twenty-nine".