4157457025 has 6 divisors (see below), whose sum is σ = 5155246742. Its totient is φ = 3325965600.

The previous prime is 4157456971. The next prime is 4157457037. The reversal of 4157457025 is 5207547514.

It can be written as a sum of positive squares in 3 ways, for example, as 558896881 + 3598560144 = 23641^2 + 59988^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4157457025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 83149116 + ... + 83149165.

Almost surely, 2^4157457025 is an apocalyptic number.

It is an amenable number.

4157457025 is a deficient number, since it is larger than the sum of its proper divisors (997789717).

4157457025 is a wasteful number, since it uses less digits than its factorization.

4157457025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166298291 (or 166298286 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The square root of 4157457025 is about 64478.3453959544. The cubic root of 4157457025 is about 1607.9625249356.

The spelling of 4157457025 in words is "four billion, one hundred fifty-seven million, four hundred fifty-seven thousand, twenty-five".