2947656225 has 48 divisors (see below), whose sum is σ = 4968253440. Its totient is φ = 1541640000.

The previous prime is 2947656221. The next prime is 2947656263. The reversal of 2947656225 is 5226567492.

It is a happy number.

2947656225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2947656225 - 2² = 2947656221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2947656221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3322732 + ... + 3323618.

It is an arithmetic number, because the mean of its divisors is an integer number (103505280).

Almost surely, 2^2947656225 is an apocalyptic number.

2947656225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2947656225 is a deficient number, since it is larger than the sum of its proper divisors (2020597215).

2947656225 is a wasteful number, since it uses less digits than its factorization.

2947656225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1705 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 2947656225 is about 54292.3219709749. The cubic root of 2947656225 is about 1433.8122194976.

The spelling of 2947656225 in words is "two billion, nine hundred forty-seven million, six hundred fifty-six thousand, two hundred twenty-five".