948537217 has 4 divisors (see below), whose sum is σ = 974173396. Its totient is φ = 922901040.

The previous prime is 948537193. The next prime is 948537229. The reversal of 948537217 is 712735849.

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

It can be written as a sum of positive squares in 2 ways, for example, as 876219201 + 72318016 = 29601^2 + 8504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948537217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948537257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12818034 + ... + 12818107.

It is an arithmetic number, because the mean of its divisors is an integer number (243543349).

Almost surely, 2^948537217 is an apocalyptic number.

It is an amenable number.

948537217 is a deficient number, since it is larger than the sum of its proper divisors (25636179).

948537217 is a wasteful number, since it uses less digits than its factorization.

948537217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636178.

The product of its digits is 423360, while the sum is 46.

The square root of 948537217 is about 30798.3313996067. The cubic root of 948537217 is about 982.5427570651.

The spelling of 948537217 in words is "nine hundred forty-eight million, five hundred thirty-seven thousand, two hundred seventeen".