2512889 has 8 divisors (see below), whose sum is σ = 2711880. Its totient is φ = 2319616.

The previous prime is 2512847. The next prime is 2512897. The reversal of 2512889 is 9882152.

It can be written as a sum of positive squares in 4 ways, for example, as 1092025 + 1420864 = 1045^2 + 1192^2 .

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

It is not a de Polignac number, because 2512889 - 2¹⁶ = 2447353 is a prime.

It is a super-2 number, since 2×2512889² = 12629222252642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (338985).

2^2512889 is an apocalyptic number.

It is an amenable number.

2512889 is a deficient number, since it is larger than the sum of its proper divisors (198991).

2512889 is a wasteful number, since it uses less digits than its factorization.

2512889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 11520, while the sum is 35.

The square root of 2512889 is about 1585.2094498835. The cubic root of 2512889 is about 135.9537219994.

The spelling of 2512889 in words is "two million, five hundred twelve thousand, eight hundred eighty-nine".