948541397 has 2 divisors, whose sum is σ = 948541398. Its totient is φ = 948541396.

The previous prime is 948541303. The next prime is 948541403. The reversal of 948541397 is 793145849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836308561 + 112232836 = 28919^2 + 10594^2 .

It is an emirp because it is prime and its reverse (793145849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948541397 - 2¹⁶ = 948475861 is a prime.

It is a super-3 number, since 3×948541397³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948541697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474270698 + 474270699.

It is an arithmetic number, because the mean of its divisors is an integer number (474270699).

Almost surely, 2^948541397 is an apocalyptic number.

It is an amenable number.

948541397 is a deficient number, since it is larger than the sum of its proper divisors (1).

948541397 is an equidigital number, since it uses as much as digits as its factorization.

948541397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 948541397 is about 30798.3992603512. The cubic root of 948541397 is about 982.5442003480.

The spelling of 948541397 in words is "nine hundred forty-eight million, five hundred forty-one thousand, three hundred ninety-seven".