4291245225 has 36 divisors (see below), whose sum is σ = 7760761216. Its totient is φ = 2266431840.

The previous prime is 4291245221. The next prime is 4291245241. The reversal of 4291245225 is 5225421924.

4291245225 is a `hidden beast` number, since 4 + 2 + 9 + 124 + 522 + 5 = 666.

It is not a de Polignac number, because 4291245225 - 2² = 4291245221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4291245225.

It is not an unprimeable number, because it can be changed into a prime (4291245221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69409 + ... + 115758.

Almost surely, 2^4291245225 is an apocalyptic number.

4291245225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4291245225 is a deficient number, since it is larger than the sum of its proper divisors (3469515991).

4291245225 is a wasteful number, since it uses less digits than its factorization.

4291245225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185286 (or 185278 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4291245225 is about 65507.5966968717. The cubic root of 4291245225 is about 1625.0289825206.

The spelling of 4291245225 in words is "four billion, two hundred ninety-one million, two hundred forty-five thousand, two hundred twenty-five".