2501634 has 16 divisors (see below), whose sum is σ = 5023872. Its totient is φ = 830448.

The previous prime is 2501623. The next prime is 2501647. The reversal of 2501634 is 4361052.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2501634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (313992).

2^2501634 is an apocalyptic number.

2501634 is an abundant number, since it is smaller than the sum of its proper divisors (2522238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501634 is a wasteful number, since it uses less digits than its factorization.

2501634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2501634 is about 1581.6554618500. The cubic root of 2501634 is about 135.7504434459.

Adding to 2501634 its reverse (4361052), we get a palindrome (6862686).

The spelling of 2501634 in words is "two million, five hundred one thousand, six hundred thirty-four".