1606951 has 2 divisors, whose sum is σ = 1606952. Its totient is φ = 1606950.

The previous prime is 1606921. The next prime is 1606967. The reversal of 1606951 is 1596061.

It is a strong prime.

It is an emirp because it is prime and its reverse (1596061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606951 - 2⁹ = 1606439 is a prime.

1606951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803475 + 803476.

It is an arithmetic number, because the mean of its divisors is an integer number (803476).

2^1606951 is an apocalyptic number.

1606951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606951 is an equidigital number, since it uses as much as digits as its factorization.

1606951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1606951 is about 1267.6557103567. The cubic root of 1606951 is about 117.1298385719.

The spelling of 1606951 in words is "one million, six hundred six thousand, nine hundred fifty-one".