4625641 has 2 divisors, whose sum is σ = 4625642. Its totient is φ = 4625640.

The previous prime is 4625617. The next prime is 4625651. The reversal of 4625641 is 1465264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 484416 = 2035^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4625641 - 2⁵ = 4625609 is a prime.

4625641 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4625611) 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, 2312820 + 2312821.

It is an arithmetic number, because the mean of its divisors is an integer number (2312821).

Almost surely, 2^4625641 is an apocalyptic number.

It is an amenable number.

4625641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4625641 is an equidigital number, since it uses as much as digits as its factorization.

4625641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 4625641 is about 2150.7303410702. The cubic root of 4625641 is about 166.6187893590.

The spelling of 4625641 in words is "four million, six hundred twenty-five thousand, six hundred forty-one".