1625359 has 2 divisors, whose sum is σ = 1625360. Its totient is φ = 1625358.

The previous prime is 1625347. The next prime is 1625383. The reversal of 1625359 is 9535261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1625359 - 2¹⁹ = 1101071 is a prime.

1625359 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1625359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625329) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812679 + 812680.

It is an arithmetic number, because the mean of its divisors is an integer number (812680).

2^1625359 is an apocalyptic number.

1625359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625359 is an equidigital number, since it uses as much as digits as its factorization.

1625359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 1625359 is about 1274.8956820070. The cubic root of 1625359 is about 117.5753914835.

The spelling of 1625359 in words is "one million, six hundred twenty-five thousand, three hundred fifty-nine".