1049541897 has 12 divisors (see below), whose sum is σ = 1404267504. Its totient is φ = 697263840.

The previous prime is 1049541887. The next prime is 1049541901. The reversal of 1049541897 is 7981459401.

It is not a de Polignac number, because 1049541897 - 2⁷ = 1049541769 is a prime.

It is a super-2 number, since 2×1049541897² = 2203076387116717218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049541847) 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 11 ways as a sum of consecutive naturals, for example, 292122 + ... + 295692.

It is an arithmetic number, because the mean of its divisors is an integer number (117022292).

Almost surely, 2^1049541897 is an apocalyptic number.

It is an amenable number.

1049541897 is a deficient number, since it is larger than the sum of its proper divisors (354725607).

1049541897 is an frugal number, since it uses more digits than its factorization.

1049541897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1049541897 is about 32396.6340381219. The cubic root of 1049541897 is about 1016.2485212749.

The spelling of 1049541897 in words is "one billion, forty-nine million, five hundred forty-one thousand, eight hundred ninety-seven".