1529572049 has 4 divisors (see below), whose sum is σ = 1565143536. Its totient is φ = 1494000564.

The previous prime is 1529572007. The next prime is 1529572073. The reversal of 1529572049 is 9402759251.

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 1529572049 - 2⁸ = 1529571793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1529572249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17785679 + ... + 17785764.

It is an arithmetic number, because the mean of its divisors is an integer number (391285884).

Almost surely, 2^1529572049 is an apocalyptic number.

It is an amenable number.

1529572049 is a deficient number, since it is larger than the sum of its proper divisors (35571487).

1529572049 is an equidigital number, since it uses as much as digits as its factorization.

1529572049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35571486.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1529572049 is about 39109.7436580707. The cubic root of 1529572049 is about 1152.1879076456.

The spelling of 1529572049 in words is "one billion, five hundred twenty-nine million, five hundred seventy-two thousand, forty-nine".