2572687546 has 16 divisors (see below), whose sum is σ = 4533687648. Its totient is φ = 1079449200.

The previous prime is 2572687543. The next prime is 2572687553. The reversal of 2572687546 is 6457862752.

It is a junction number, because it is equal to n+sod(n) for n = 2572687493 and 2572687502.

It is not an unprimeable number, because it can be changed into a prime (2572687541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497420 + ... + 4497991.

It is an arithmetic number, because the mean of its divisors is an integer number (283355478).

Almost surely, 2^2572687546 is an apocalyptic number.

2572687546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2572687546 is a deficient number, since it is larger than the sum of its proper divisors (1961000102).

2572687546 is a wasteful number, since it uses less digits than its factorization.

2572687546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995437.

The product of its digits is 5644800, while the sum is 52.

The square root of 2572687546 is about 50721.6674213299. The cubic root of 2572687546 is about 1370.2369714578.

The spelling of 2572687546 in words is "two billion, five hundred seventy-two million, six hundred eighty-seven thousand, five hundred forty-six".