947630525 has 6 divisors (see below), whose sum is σ = 1175061882. Its totient is φ = 758104400.

The previous prime is 947630503. The next prime is 947630527. The reversal of 947630525 is 525036749.

It can be written as a sum of positive squares in 3 ways, for example, as 10413529 + 937216996 = 3227^2 + 30614^2 .

It is not a de Polignac number, because 947630525 - 2⁶ = 947630461 is a prime.

It is a super-2 number, since 2×947630525² = 1796007223823551250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947630527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18952586 + ... + 18952635.

It is an arithmetic number, because the mean of its divisors is an integer number (195843647).

Almost surely, 2^947630525 is an apocalyptic number.

It is an amenable number.

947630525 is a deficient number, since it is larger than the sum of its proper divisors (227431357).

947630525 is a wasteful number, since it uses less digits than its factorization.

947630525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37905231 (or 37905226 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 947630525 is about 30783.6080568864. The cubic root of 947630525 is about 982.2295914712.

The spelling of 947630525 in words is "nine hundred forty-seven million, six hundred thirty thousand, five hundred twenty-five".