4256552537 has 8 divisors (see below), whose sum is σ = 4315952520. Its totient is φ = 4197409920.

The previous prime is 4256552513. The next prime is 4256552551. The reversal of 4256552537 is 7352556524.

It can be written as a sum of positive squares in 4 ways, for example, as 245736976 + 4010815561 = 15676^2 + 63331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4256552537 - 2²⁰ = 4255503961 is a prime.

It is a super-2 number, since 2×4256552537² = 36236479000482272738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256522537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30914 + ... + 97307.

It is an arithmetic number, because the mean of its divisors is an integer number (539494065).

Almost surely, 2^4256552537 is an apocalyptic number.

It is an amenable number.

4256552537 is a deficient number, since it is larger than the sum of its proper divisors (59399983).

4256552537 is a wasteful number, since it uses less digits than its factorization.

4256552537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128683.

The product of its digits is 1260000, while the sum is 44.

The square root of 4256552537 is about 65242.2603609041. The cubic root of 4256552537 is about 1620.6379310743.

The spelling of 4256552537 in words is "four billion, two hundred fifty-six million, five hundred fifty-two thousand, five hundred thirty-seven".