948317551 has 2 divisors, whose sum is σ = 948317552. Its totient is φ = 948317550.

The previous prime is 948317519. The next prime is 948317563. The reversal of 948317551 is 155713849.

It is a strong prime.

It is an emirp because it is prime and its reverse (155713849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948317551 - 2⁵ = 948317519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 948317498 and 948317507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948317581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474158775 + 474158776.

It is an arithmetic number, because the mean of its divisors is an integer number (474158776).

Almost surely, 2^948317551 is an apocalyptic number.

948317551 is a deficient number, since it is larger than the sum of its proper divisors (1).

948317551 is an equidigital number, since it uses as much as digits as its factorization.

948317551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 948317551 is about 30794.7649934206. The cubic root of 948317551 is about 982.4669041635.

The spelling of 948317551 in words is "nine hundred forty-eight million, three hundred seventeen thousand, five hundred fifty-one".