4257525144 has 32 divisors (see below), whose sum is σ = 10656702000. Its totient is φ = 1417456512.

The previous prime is 4257525133. The next prime is 4257525163. The reversal of 4257525144 is 4415257524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87099 + ... + 126890.

Almost surely, 2^4257525144 is an apocalyptic number.

It is an amenable number.

4257525144 is an abundant number, since it is smaller than the sum of its proper divisors (6399176856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4257525144 is a wasteful number, since it uses less digits than its factorization.

4257525144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214827 (or 214823 counting only the distinct ones).

The product of its digits is 224000, while the sum is 39.

The square root of 4257525144 is about 65249.7137464985. The cubic root of 4257525144 is about 1620.7613583269.

The spelling of 4257525144 in words is "four billion, two hundred fifty-seven million, five hundred twenty-five thousand, one hundred forty-four".