1625040301 has 2 divisors, whose sum is σ = 1625040302. Its totient is φ = 1625040300.

The previous prime is 1625040299. The next prime is 1625040377. The reversal of 1625040301 is 1030405261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954748201 + 670292100 = 30899^2 + 25890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625040301 - 2¹ = 1625040299 is a prime.

Together with 1625040299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625040701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812520150 + 812520151.

It is an arithmetic number, because the mean of its divisors is an integer number (812520151).

Almost surely, 2^1625040301 is an apocalyptic number.

It is an amenable number.

1625040301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625040301 is an equidigital number, since it uses as much as digits as its factorization.

1625040301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1625040301 is about 40311.7886107774. The cubic root of 1625040301 is about 1175.6770628712.

Adding to 1625040301 its reverse (1030405261), we get a palindrome (2655445562).

The spelling of 1625040301 in words is "one billion, six hundred twenty-five million, forty thousand, three hundred one".