948557 has 2 divisors, whose sum is σ = 948558. Its totient is φ = 948556.

The previous prime is 948551. The next prime is 948581. The reversal of 948557 is 755849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 81796 = 931^2 + 286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948557 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 948557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474278 + 474279.

It is an arithmetic number, because the mean of its divisors is an integer number (474279).

2⁹⁴⁸⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

948557 is a deficient number, since it is larger than the sum of its proper divisors (1).

948557 is an equidigital number, since it uses as much as digits as its factorization.

948557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 948557 is about 973.9389097885. The cubic root of 948557 is about 98.2549587761.

The spelling of 948557 in words is "nine hundred forty-eight thousand, five hundred fifty-seven".