625003441 has 4 divisors (see below), whose sum is σ = 625101300. Its totient is φ = 624905584.

The previous prime is 625003439. The next prime is 625003459. The reversal of 625003441 is 144300526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144300526 = 2 ⋅72150263.

It can be written as a sum of positive squares in 2 ways, for example, as 179962225 + 445041216 = 13415^2 + 21096^2 .

It is a cyclic number.

It is not a de Polignac number, because 625003441 - 2¹ = 625003439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625003411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38626 + ... + 52363.

It is an arithmetic number, because the mean of its divisors is an integer number (156275325).

Almost surely, 2^625003441 is an apocalyptic number.

It is an amenable number.

625003441 is a deficient number, since it is larger than the sum of its proper divisors (97859).

625003441 is an equidigital number, since it uses as much as digits as its factorization.

625003441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97858.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 625003441 is about 25000.0688199053. The cubic root of 625003441 is about 854.9895424094.

Adding to 625003441 its reverse (144300526), we get a palindrome (769303967).

The spelling of 625003441 in words is "six hundred twenty-five million, three thousand, four hundred forty-one".