2512991 has 16 divisors (see below), whose sum is σ = 2921184. Its totient is φ = 2141184.

The previous prime is 2512967. The next prime is 2512999. The reversal of 2512991 is 1992152.

It is not a de Polignac number, because 2512991 - 2¹⁴ = 2496607 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 (2512999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18275 + ... + 18411.

It is an arithmetic number, because the mean of its divisors is an integer number (182574).

2^2512991 is an apocalyptic number.

2512991 is a deficient number, since it is larger than the sum of its proper divisors (408193).

2512991 is a wasteful number, since it uses less digits than its factorization.

2512991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its digits is 1620, while the sum is 29.

The square root of 2512991 is about 1585.2416219618. The cubic root of 2512991 is about 135.9555614615.

The spelling of 2512991 in words is "two million, five hundred twelve thousand, nine hundred ninety-one".