2572991 has 8 divisors (see below), whose sum is σ = 2684880. Its totient is φ = 2463552.

The previous prime is 2572981. The next prime is 2572993. The reversal of 2572991 is 1992752.

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 2572991 - 2¹⁴ = 2556607 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 (2572993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (335610).

2^2572991 is an apocalyptic number.

2572991 is a deficient number, since it is larger than the sum of its proper divisors (111889).

2572991 is a wasteful number, since it uses less digits than its factorization.

2572991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its digits is 11340, while the sum is 35.

The square root of 2572991 is about 1604.0545501946. The cubic root of 2572991 is about 137.0290843467.

The spelling of 2572991 in words is "two million, five hundred seventy-two thousand, nine hundred ninety-one".