2572540536 has 32 divisors (see below), whose sum is σ = 6432595200. Its totient is φ = 857347680.

The previous prime is 2572540517. The next prime is 2572540541. The reversal of 2572540536 is 6350452752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2572540494 and 2572540503.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 231475 + ... + 242333.

It is an arithmetic number, because the mean of its divisors is an integer number (201018600).

Almost surely, 2^2572540536 is an apocalyptic number.

It is an amenable number.

2572540536 is an abundant number, since it is smaller than the sum of its proper divisors (3860054664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2572540536 is a wasteful number, since it uses less digits than its factorization.

2572540536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20739 (or 20735 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 2572540536 is about 50720.2182171962. The cubic root of 2572540536 is about 1370.2108713361.

The spelling of 2572540536 in words is "two billion, five hundred seventy-two million, five hundred forty thousand, five hundred thirty-six".