25000250006 has 4 divisors (see below), whose sum is σ = 37500375012. Its totient is φ = 12500125002.

The previous prime is 25000249999. The next prime is 25000250047. The reversal of 25000250006 is 60005200052.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25000250006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250062500 + ... + 6250062503.

It is an arithmetic number, because the mean of its divisors is an integer number (9375093753).

Almost surely, 2^25000250006 is an apocalyptic number.

25000250006 is a deficient number, since it is larger than the sum of its proper divisors (12500125006).

25000250006 is a wasteful number, since it uses less digits than its factorization.

25000250006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500125005.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 25000250006 its reverse (60005200052), we get a palindrome (85005450058).

The spelling of 25000250006 in words is "twenty-five billion, two hundred fifty thousand, six".