2505794 has 4 divisors (see below), whose sum is σ = 3758694. Its totient is φ = 1252896.

The previous prime is 2505793. The next prime is 2505809. The reversal of 2505794 is 4975052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1857769 + 648025 = 1363^2 + 805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2505794.

It is not an unprimeable number, because it can be changed into a prime (2505791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626447 + ... + 626450.

2^2505794 is an apocalyptic number.

2505794 is a deficient number, since it is larger than the sum of its proper divisors (1252900).

2505794 is a wasteful number, since it uses less digits than its factorization.

2505794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252899.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2505794 is about 1582.9699933985. The cubic root of 2505794 is about 135.8256488391.

The spelling of 2505794 in words is "two million, five hundred five thousand, seven hundred ninety-four".