1612340651 has 2 divisors, whose sum is σ = 1612340652. Its totient is φ = 1612340650.

The previous prime is 1612340629. The next prime is 1612340657. The reversal of 1612340651 is 1560432161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1612340651 - 2²² = 1608146347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1612340657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806170325 + 806170326.

It is an arithmetic number, because the mean of its divisors is an integer number (806170326).

Almost surely, 2^1612340651 is an apocalyptic number.

1612340651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612340651 is an equidigital number, since it uses as much as digits as its factorization.

1612340651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1612340651 is about 40153.9618344193. The cubic root of 1612340651 is about 1172.6064208138.

The spelling of 1612340651 in words is "one billion, six hundred twelve million, three hundred forty thousand, six hundred fifty-one".