2572540733 has 4 divisors (see below), whose sum is σ = 2940046560. Its totient is φ = 2205034908.

The previous prime is 2572540721. The next prime is 2572540757. The reversal of 2572540733 is 3370452752.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2572540733 - 2⁴ = 2572540717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572540433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183752903 + ... + 183752916.

It is an arithmetic number, because the mean of its divisors is an integer number (735011640).

Almost surely, 2^2572540733 is an apocalyptic number.

It is an amenable number.

2572540733 is a deficient number, since it is larger than the sum of its proper divisors (367505827).

2572540733 is an equidigital number, since it uses as much as digits as its factorization.

2572540733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367505826.

The product of its (nonzero) digits is 176400, while the sum is 38.

The square root of 2572540733 is about 50720.2201592225. The cubic root of 2572540733 is about 1370.2109063121.

The spelling of 2572540733 in words is "two billion, five hundred seventy-two million, five hundred forty thousand, seven hundred thirty-three".