2572020437 has 6 divisors (see below), whose sum is σ = 2991942198. Its totient is φ = 2204588904.

The previous prime is 2572020421. The next prime is 2572020439. The reversal of 2572020437 is 7340202752.

It can be written as a sum of positive squares in only one way, i.e., 2555706916 + 16313521 = 50554^2 + 4039^2 .

It is not a de Polignac number, because 2572020437 - 2⁴ = 2572020421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572020439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26245058 + ... + 26245155.

It is an arithmetic number, because the mean of its divisors is an integer number (498657033).

Almost surely, 2^2572020437 is an apocalyptic number.

It is an amenable number.

2572020437 is a deficient number, since it is larger than the sum of its proper divisors (419921761).

2572020437 is an equidigital number, since it uses as much as digits as its factorization.

2572020437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52490227 (or 52490220 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 2572020437 is about 50715.0908211747. The cubic root of 2572020437 is about 1370.1185250964.

The spelling of 2572020437 in words is "two billion, five hundred seventy-two million, twenty thousand, four hundred thirty-seven".