1658413 has 2 divisors, whose sum is σ = 1658414. Its totient is φ = 1658412.

The previous prime is 1658411. The next prime is 1658417. The reversal of 1658413 is 3148561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 432964 = 1107^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1658413 - 2¹ = 1658411 is a prime.

Together with 1658411, it forms a pair of twin primes.

1658413 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1658411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829206 + 829207.

It is an arithmetic number, because the mean of its divisors is an integer number (829207).

2^1658413 is an apocalyptic number.

It is an amenable number.

1658413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1658413 is an equidigital number, since it uses as much as digits as its factorization.

1658413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 1658413 is about 1287.7938499620. The cubic root of 1658413 is about 118.3670701048.

The spelling of 1658413 in words is "one million, six hundred fifty-eight thousand, four hundred thirteen".