2575391 has 18 divisors (see below), whose sum is σ = 3254472. Its totient is φ = 2031120.

The previous prime is 2575373. The next prime is 2575411. The reversal of 2575391 is 1935752.

It is not a de Polignac number, because 2575391 - 2⁶ = 2575327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575301) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8126 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (180804).

2^2575391 is an apocalyptic number.

2575391 is a deficient number, since it is larger than the sum of its proper divisors (679081).

2575391 is a wasteful number, since it uses less digits than its factorization.

2575391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 331 counting only the distinct ones).

The product of its digits is 9450, while the sum is 32.

The square root of 2575391 is about 1604.8024800579. The cubic root of 2575391 is about 137.0716764898.

The spelling of 2575391 in words is "two million, five hundred seventy-five thousand, three hundred ninety-one".