2572017445 has 8 divisors (see below), whose sum is σ = 3169837944. Its totient is φ = 2002002624.

The previous prime is 2572017439. The next prime is 2572017467. The reversal of 2572017445 is 5447102752.

It can be written as a sum of positive squares in 4 ways, for example, as 872434369 + 1699583076 = 29537^2 + 41226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2572017445 - 2⁷ = 2572017317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951214 + ... + 6951583.

It is an arithmetic number, because the mean of its divisors is an integer number (396229743).

Almost surely, 2^2572017445 is an apocalyptic number.

It is an amenable number.

2572017445 is a deficient number, since it is larger than the sum of its proper divisors (597820499).

2572017445 is a wasteful number, since it uses less digits than its factorization.

2572017445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902839.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 2572017445 is about 50715.0613230429. The cubic root of 2572017445 is about 1370.1179938155.

The spelling of 2572017445 in words is "two billion, five hundred seventy-two million, seventeen thousand, four hundred forty-five".