1602901 has 2 divisors, whose sum is σ = 1602902. Its totient is φ = 1602900.

The previous prime is 1602899. The next prime is 1602907. The reversal of 1602901 is 1092061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 40401 = 1250^2 + 201^2 .

It is an emirp because it is prime and its reverse (1092061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1602901 - 2¹ = 1602899 is a prime.

Together with 1602899, it forms a pair of twin primes.

It is a Chen prime.

1602901 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602907) 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, 801450 + 801451.

It is an arithmetic number, because the mean of its divisors is an integer number (801451).

2^1602901 is an apocalyptic number.

It is an amenable number.

1602901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602901 is an equidigital number, since it uses as much as digits as its factorization.

1602901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1602901 is about 1266.0572656875. The cubic root of 1602901 is about 117.0313549782.

Adding to 1602901 its reverse (1092061), we get a palindrome (2694962).

The spelling of 1602901 in words is "one million, six hundred two thousand, nine hundred one".