25011002 has 4 divisors (see below), whose sum is σ = 37516506. Its totient is φ = 12505500.

The previous prime is 25010989. The next prime is 25011023. The reversal of 25011002 is 20011052.

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., 22934521 + 2076481 = 4789^2 + 1441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252749 + ... + 6252752.

Almost surely, 2^25011002 is an apocalyptic number.

25011002 is a deficient number, since it is larger than the sum of its proper divisors (12505504).

25011002 is a wasteful number, since it uses less digits than its factorization.

25011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505503.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 25011002 is about 5001.1000789826. The cubic root of 25011002 is about 292.4446609215. Note that the first 3 decimals are identical.

Adding to 25011002 its reverse (20011052), we get a palindrome (45022054).

The spelling of 25011002 in words is "twenty-five million, eleven thousand, two".