24990002 has 4 divisors (see below), whose sum is σ = 37485006. Its totient is φ = 12495000.

The previous prime is 24989971. The next prime is 24990037. The reversal of 24990002 is 20009942.

It is a Cunningham number, because it is equal to 4999²+1.

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., 24990001 + 1 = 4999^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247499 + ... + 6247502.

Almost surely, 2^24990002 is an apocalyptic number.

24990002 is a deficient number, since it is larger than the sum of its proper divisors (12495004).

24990002 is a wasteful number, since it uses less digits than its factorization.

24990002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495003.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 24990002 is about 4999.0001000200. Note that the first 3 decimals coincide. The cubic root of 24990002 is about 292.3627895182.

Adding to 24990002 its reverse (20009942), we get a palindrome (44999944).

The spelling of 24990002 in words is "twenty-four million, nine hundred ninety thousand, two".