625785241 has 4 divisors (see below), whose sum is σ = 631526500. Its totient is φ = 620043984.

The previous prime is 625785233. The next prime is 625785247. The reversal of 625785241 is 142587526.

625785241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 453519616 + 172265625 = 21296^2 + 13125^2 .

It is a cyclic number.

It is not a de Polignac number, because 625785241 - 2³ = 625785233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625785194 and 625785203.

It is not an unprimeable number, because it can be changed into a prime (625785247) 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, 2870466 + ... + 2870683.

It is an arithmetic number, because the mean of its divisors is an integer number (157881625).

Almost surely, 2^625785241 is an apocalyptic number.

It is an amenable number.

625785241 is a deficient number, since it is larger than the sum of its proper divisors (5741259).

625785241 is a wasteful number, since it uses less digits than its factorization.

625785241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741258.

The product of its digits is 134400, while the sum is 40.

The square root of 625785241 is about 25015.6998902689. The cubic root of 625785241 is about 855.3458883464.

The spelling of 625785241 in words is "six hundred twenty-five million, seven hundred eighty-five thousand, two hundred forty-one".