1605086051 has 2 divisors, whose sum is σ = 1605086052. Its totient is φ = 1605086050.

The previous prime is 1605085919. The next prime is 1605086053. The reversal of 1605086051 is 1506805061.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1506805061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1605086051 - 2³⁰ = 531344227 is a prime.

It is a super-2 number, since 2×1605086051² = 5152602462229549202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1605086053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1605085999 and 1605086017.

It is not a weakly prime, because it can be changed into another prime (1605086053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802543025 + 802543026.

It is an arithmetic number, because the mean of its divisors is an integer number (802543026).

Almost surely, 2^1605086051 is an apocalyptic number.

1605086051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1605086051 is an equidigital number, since it uses as much as digits as its factorization.

1605086051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1605086051 is about 40063.5251943710. The cubic root of 1605086051 is about 1170.8450930471.

The spelling of 1605086051 in words is "one billion, six hundred five million, eighty-six thousand, fifty-one".