625248003641 has 4 divisors (see below), whose sum is σ = 642146598372. Its totient is φ = 608349408912.

The previous prime is 625248003637. The next prime is 625248003647. The reversal of 625248003641 is 146300842526.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254196464041 + 371051539600 = 504179^2 + 609140^2 .

It is a cyclic number.

It is not a de Polignac number, because 625248003641 - 2² = 625248003637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625248003647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8449297310 + ... + 8449297383.

It is an arithmetic number, because the mean of its divisors is an integer number (160536649593).

Almost surely, 2^625248003641 is an apocalyptic number.

It is an amenable number.

625248003641 is a deficient number, since it is larger than the sum of its proper divisors (16898594731).

625248003641 is a wasteful number, since it uses less digits than its factorization.

625248003641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898594730.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 625248003641 in words is "six hundred twenty-five billion, two hundred forty-eight million, three thousand, six hundred forty-one".