4261625225 has 48 divisors (see below), whose sum is σ = 6229851264. Its totient is φ = 2851008000.

The previous prime is 4261625191. The next prime is 4261625227. The reversal of 4261625225 is 5225261624.

It is not a de Polignac number, because 4261625225 - 2²⁸ = 3993189769 is a prime.

It is a super-2 number, since 2×4261625225² = 36322899116712601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4261625227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1109909 + ... + 1113741.

It is an arithmetic number, because the mean of its divisors is an integer number (129788568).

Almost surely, 2^4261625225 is an apocalyptic number.

It is an amenable number.

4261625225 is a deficient number, since it is larger than the sum of its proper divisors (1968226039).

4261625225 is a wasteful number, since it uses less digits than its factorization.

4261625225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178 (or 4173 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 4261625225 is about 65281.1245690514. The cubic root of 4261625225 is about 1621.2814664959.

Adding to 4261625225 its reverse (5225261624), we get a palindrome (9486886849).

The spelling of 4261625225 in words is "four billion, two hundred sixty-one million, six hundred twenty-five thousand, two hundred twenty-five".