2505693 has 8 divisors (see below), whose sum is σ = 3349408. Its totient is φ = 1666224.

The previous prime is 2505691. The next prime is 2505707. The reversal of 2505693 is 3965052.

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

It is not a de Polignac number, because 2505693 - 2¹ = 2505691 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505693.

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 7 ways as a sum of consecutive naturals, for example, 771 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (418676).

2^2505693 is an apocalyptic number.

It is an amenable number.

2505693 is a deficient number, since it is larger than the sum of its proper divisors (843715).

2505693 is a wasteful number, since it uses less digits than its factorization.

2505693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2505693 is about 1582.9380910194. The cubic root of 2505693 is about 135.8238239252.

The spelling of 2505693 in words is "two million, five hundred five thousand, six hundred ninety-three".