1538049 has 4 divisors (see below), whose sum is σ = 2050736. Its totient is φ = 1025364.

The previous prime is 1538039. The next prime is 1538057. The reversal of 1538049 is 9408351.

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 not a de Polignac number, because 1538049 - 2¹² = 1533953 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1538029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256339 + ... + 256344.

It is an arithmetic number, because the mean of its divisors is an integer number (512684).

It is a Proth number, since it is equal to 751 ⋅ 2¹¹ + 1 and 751 < 2¹¹.

2^1538049 is an apocalyptic number.

It is an amenable number.

1538049 is a deficient number, since it is larger than the sum of its proper divisors (512687).

1538049 is an equidigital number, since it uses as much as digits as its factorization.

1538049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512686.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1538049 is about 1240.1810351719. The cubic root of 1538049 is about 115.4312478519.

The spelling of 1538049 in words is "one million, five hundred thirty-eight thousand, forty-nine".