1625167 has 2 divisors, whose sum is σ = 1625168. Its totient is φ = 1625166.

The previous prime is 1625153. The next prime is 1625171. The reversal of 1625167 is 7615261.

It is a strong prime.

It is an emirp because it is prime and its reverse (7615261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812583 + 812584.

It is an arithmetic number, because the mean of its divisors is an integer number (812584).

2^1625167 is an apocalyptic number.

1625167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625167 is an equidigital number, since it uses as much as digits as its factorization.

1625167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1625167 is about 1274.8203795045. The cubic root of 1625167 is about 117.5707616624.

It can be divided in two parts, 162 and 5167, that added together give a square (5329 = 73²).

The spelling of 1625167 in words is "one million, six hundred twenty-five thousand, one hundred sixty-seven".