625247001 has 12 divisors (see below), whose sum is σ = 914567680. Its totient is φ = 411554520.

The previous prime is 625246997. The next prime is 625247017. The reversal of 625247001 is 100742526.

It is not a de Polignac number, because 625247001 - 2² = 625246997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625247081) 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 in 11 ways as a sum of consecutive naturals, for example, 438985 + ... + 440406.

Almost surely, 2^625247001 is an apocalyptic number.

It is an amenable number.

625247001 is a deficient number, since it is larger than the sum of its proper divisors (289320679).

625247001 is a wasteful number, since it uses less digits than its factorization.

625247001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879476 (or 879473 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 625247001 is about 25004.9395320205. The cubic root of 625247001 is about 855.1005893760.

Adding to 625247001 its reverse (100742526), we get a palindrome (725989527).

The spelling of 625247001 in words is "six hundred twenty-five million, two hundred forty-seven thousand, one".