1612893361 has 2 divisors, whose sum is σ = 1612893362. Its totient is φ = 1612893360.

The previous prime is 1612893329. The next prime is 1612893367. The reversal of 1612893361 is 1633982161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208883361 + 404010000 = 34769^2 + 20100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612893361 - 2⁵ = 1612893329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1612893367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806446680 + 806446681.

It is an arithmetic number, because the mean of its divisors is an integer number (806446681).

Almost surely, 2^1612893361 is an apocalyptic number.

It is an amenable number.

1612893361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612893361 is an equidigital number, since it uses as much as digits as its factorization.

1612893361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 1612893361 is about 40160.8436290873. The cubic root of 1612893361 is about 1172.7403952422.

The spelling of 1612893361 in words is "one billion, six hundred twelve million, eight hundred ninety-three thousand, three hundred sixty-one".