1612493 has 2 divisors, whose sum is σ = 1612494. Its totient is φ = 1612492.

The previous prime is 1612477. The next prime is 1612517. The reversal of 1612493 is 3942161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 29929 = 1258^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612493 - 2⁴ = 1612477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612463) 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, 806246 + 806247.

It is an arithmetic number, because the mean of its divisors is an integer number (806247).

2^1612493 is an apocalyptic number.

It is an amenable number.

1612493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612493 is an equidigital number, since it uses as much as digits as its factorization.

1612493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 1612493 is about 1269.8397536697. The cubic root of 1612493 is about 117.2643352585.

The spelling of 1612493 in words is "one million, six hundred twelve thousand, four hundred ninety-three".