2505694 has 8 divisors (see below), whose sum is σ = 3783888. Its totient is φ = 1244400.

The previous prime is 2505691. The next prime is 2505707. The reversal of 2505694 is 4965052.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (472986).

2^2505694 is an apocalyptic number.

2505694 is a deficient number, since it is larger than the sum of its proper divisors (1278194).

2505694 is a wasteful number, since it uses less digits than its factorization.

2505694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2505694 is about 1582.9384068876. The cubic root of 2505694 is about 135.8238419939.

The spelling of 2505694 in words is "two million, five hundred five thousand, six hundred ninety-four".