2567148897 has 4 divisors (see below), whose sum is σ = 3422865200. Its totient is φ = 1711432596.

The previous prime is 2567148889. The next prime is 2567148923. The reversal of 2567148897 is 7988417652.

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 2567148897 - 2³ = 2567148889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2567148497) 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, 427858147 + ... + 427858152.

It is an arithmetic number, because the mean of its divisors is an integer number (855716300).

Almost surely, 2^2567148897 is an apocalyptic number.

It is an amenable number.

2567148897 is a deficient number, since it is larger than the sum of its proper divisors (855716303).

2567148897 is an equidigital number, since it uses as much as digits as its factorization.

2567148897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855716302.

The product of its digits is 6773760, while the sum is 57.

The square root of 2567148897 is about 50667.0395523559. The cubic root of 2567148897 is about 1369.2529532230.

The spelling of 2567148897 in words is "two billion, five hundred sixty-seven million, one hundred forty-eight thousand, eight hundred ninety-seven".