4257533684 has 12 divisors (see below), whose sum is σ = 7451141124. Its totient is φ = 2128636224.

The previous prime is 4257533677. The next prime is 4257533689. The reversal of 4257533684 is 4863357524.

It can be written as a sum of positive squares in 2 ways, for example, as 3167213284 + 1090320400 = 56278^2 + 33020^2 .

It is a super-2 number, since 2×4257533684² = 36253186140789223712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257533689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107984 + ... + 142040.

It is an arithmetic number, because the mean of its divisors is an integer number (620928427).

Almost surely, 2^4257533684 is an apocalyptic number.

It is an amenable number.

4257533684 is a deficient number, since it is larger than the sum of its proper divisors (3193607440).

4257533684 is a wasteful number, since it uses less digits than its factorization.

4257533684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65314 (or 65312 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The square root of 4257533684 is about 65249.7791873658. The cubic root of 4257533684 is about 1620.7624419997.

The spelling of 4257533684 in words is "four billion, two hundred fifty-seven million, five hundred thirty-three thousand, six hundred eighty-four".