947490825 has 12 divisors (see below), whose sum is σ = 1566518288. Its totient is φ = 505328400.

The previous prime is 947490821. The next prime is 947490839. The reversal of 947490825 is 528094749.

It is not a de Polignac number, because 947490825 - 2² = 947490821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (947490821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6316531 + ... + 6316680.

Almost surely, 2^947490825 is an apocalyptic number.

It is an amenable number.

947490825 is a deficient number, since it is larger than the sum of its proper divisors (619027463).

947490825 is a wasteful number, since it uses less digits than its factorization.

947490825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633224 (or 12633219 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 947490825 is about 30781.3389085010. The cubic root of 947490825 is about 982.1813222306.

The spelling of 947490825 in words is "nine hundred forty-seven million, four hundred ninety thousand, eight hundred twenty-five".