2512978 has 16 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 1098576.

The previous prime is 2512967. The next prime is 2512999. The reversal of 2512978 is 8792152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

2^2512978 is an apocalyptic number.

2512978 is a deficient number, since it is larger than the sum of its proper divisors (1760942).

2512978 is a wasteful number, since it uses less digits than its factorization.

2512978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121.

The product of its digits is 10080, while the sum is 34.

The square root of 2512978 is about 1585.2375216352. The cubic root of 2512978 is about 135.9553270230.

The spelling of 2512978 in words is "two million, five hundred twelve thousand, nine hundred seventy-eight".