1958563 has 2 divisors, whose sum is σ = 1958564. Its totient is φ = 1958562.

The previous prime is 1958557. The next prime is 1958569. The reversal of 1958563 is 3658591.

It is a balanced prime because it is at equal distance from previous prime (1958557) and next prime (1958569).

It is a cyclic number.

It is not a de Polignac number, because 1958563 - 2⁵ = 1958531 is a prime.

It is a d-powerful number, because it can be written as 1 + 9² + 5⁵ + 8 + 5⁹ + 6² + 3⁷ .

It is not a weakly prime, because it can be changed into another prime (1958569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 979281 + 979282.

It is an arithmetic number, because the mean of its divisors is an integer number (979282).

2^1958563 is an apocalyptic number.

1958563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1958563 is an equidigital number, since it uses as much as digits as its factorization.

1958563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 1958563 is about 1399.4866916123. The cubic root of 1958563 is about 125.1159031651.

The spelling of 1958563 in words is "one million, nine hundred fifty-eight thousand, five hundred sixty-three".