63070925 has 6 divisors (see below), whose sum is σ = 78207978. Its totient is φ = 50456720.

The previous prime is 63070921. The next prime is 63070927. The reversal of 63070925 is 52907036.

63070925 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 4609609 + 58461316 = 2147^2 + 7646^2 .

It is not a de Polignac number, because 63070925 - 2² = 63070921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63070891 and 63070900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63070921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261394 + ... + 1261443.

It is an arithmetic number, because the mean of its divisors is an integer number (13034663).

Almost surely, 2^63070925 is an apocalyptic number.

It is an amenable number.

63070925 is a deficient number, since it is larger than the sum of its proper divisors (15137053).

63070925 is a wasteful number, since it uses less digits than its factorization.

63070925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522847 (or 2522842 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 63070925 is about 7941.7205314718. The cubic root of 63070925 is about 398.0549847015.

The spelling of 63070925 in words is "sixty-three million, seventy thousand, nine hundred twenty-five".