2572745 has 12 divisors (see below), whose sum is σ = 3591684. Its totient is φ = 1764000.

The previous prime is 2572741. The next prime is 2572747. The reversal of 2572745 is 5472752.

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 1731856 = 917^2 + 1316^2 .

It is not a de Polignac number, because 2572745 - 2² = 2572741 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 (2572741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5006 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (299307).

2^2572745 is an apocalyptic number.

It is an amenable number.

2572745 is a deficient number, since it is larger than the sum of its proper divisors (1018939).

2572745 is a wasteful number, since it uses less digits than its factorization.

2572745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520 (or 10513 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 2572745 is about 1603.9778676777. The cubic root of 2572745 is about 137.0247171558.

The spelling of 2572745 in words is "two million, five hundred seventy-two thousand, seven hundred forty-five".