625601425 has 6 divisors (see below), whose sum is σ = 775745798. Its totient is φ = 500481120.

The previous prime is 625601423. The next prime is 625601447. The reversal of 625601425 is 524106526.

625601425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5740816 + 619860609 = 2396^2 + 24897^2 .

It is not a de Polignac number, because 625601425 - 2¹ = 625601423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625601423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12512004 + ... + 12512053.

Almost surely, 2^625601425 is an apocalyptic number.

It is an amenable number.

625601425 is a deficient number, since it is larger than the sum of its proper divisors (150144373).

625601425 is a wasteful number, since it uses less digits than its factorization.

625601425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024067 (or 25024062 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 625601425 is about 25012.0256076952. The cubic root of 625601425 is about 855.2621313605.

The spelling of 625601425 in words is "six hundred twenty-five million, six hundred one thousand, four hundred twenty-five".