625641201 has 12 divisors (see below), whose sum is σ = 904450612. Its totient is φ = 416749536.

The previous prime is 625641151. The next prime is 625641217. The reversal of 625641201 is 102146526.

It can be written as a sum of positive squares in 2 ways, for example, as 179586801 + 446054400 = 13401^2 + 21120^2 .

It is not a de Polignac number, because 625641201 - 2¹¹ = 625639153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625641221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16966 + ... + 39231.

Almost surely, 2^625641201 is an apocalyptic number.

It is an amenable number.

625641201 is a deficient number, since it is larger than the sum of its proper divisors (278809411).

625641201 is a wasteful number, since it uses less digits than its factorization.

625641201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57440 (or 57437 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 625641201 is about 25012.8207325763. The cubic root of 625641201 is about 855.2802569510.

Adding to 625641201 its reverse (102146526), we get a palindrome (727787727).

The spelling of 625641201 in words is "six hundred twenty-five million, six hundred forty-one thousand, two hundred one".