2506478 has 16 divisors (see below), whose sum is σ = 4082400. Its totient is φ = 1147296.

The previous prime is 2506459. The next prime is 2506481. The reversal of 2506478 is 8746052.

It is a Curzon number.

It is a congruent number.

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, 3551 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

2^2506478 is an apocalyptic number.

2506478 is a deficient number, since it is larger than the sum of its proper divisors (1575922).

2506478 is a wasteful number, since it uses less digits than its factorization.

2506478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2506478 is about 1583.1860282355. The cubic root of 2506478 is about 135.8380063715.

The spelling of 2506478 in words is "two million, five hundred six thousand, four hundred seventy-eight".