47800025 has 24 divisors (see below), whose sum is σ = 72953664. Its totient is φ = 30254400.

The previous prime is 47800021. The next prime is 47800057. The reversal of 47800025 is 52000874.

It is not a de Polignac number, because 47800025 - 2² = 47800021 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47799967 and 47800003.

It is not an unprimeable number, because it can be changed into a prime (47800021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8231 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (3039736).

Almost surely, 2^47800025 is an apocalyptic number.

It is an amenable number.

47800025 is a deficient number, since it is larger than the sum of its proper divisors (25153639).

47800025 is a wasteful number, since it uses less digits than its factorization.

47800025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21041 (or 21036 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 47800025 is about 6913.7562149674. The cubic root of 47800025 is about 362.9187234396.

Adding to 47800025 its reverse (52000874), we get a palindrome (99800899).

The spelling of 47800025 in words is "forty-seven million, eight hundred thousand, twenty-five".