4591281925 has 12 divisors (see below), whose sum is σ = 5713751236. Its totient is φ = 3659760000.

The previous prime is 4591281917. The next prime is 4591281931. The reversal of 4591281925 is 5291821954.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 96786244 + 4494495681 = 9838^2 + 67041^2 .

It is not a de Polignac number, because 4591281925 - 2³ = 4591281917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324576 + ... + 338425.

Almost surely, 2^4591281925 is an apocalyptic number.

It is an amenable number.

4591281925 is a deficient number, since it is larger than the sum of its proper divisors (1122469311).

4591281925 is a wasteful number, since it uses less digits than its factorization.

4591281925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663288 (or 663283 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 4591281925 is about 67758.9988488614. The cubic root of 4591281925 is about 1662.0521777976.

The spelling of 4591281925 in words is "four billion, five hundred ninety-one million, two hundred eighty-one thousand, nine hundred twenty-five".