4252749531 has 8 divisors (see below), whose sum is σ = 5726475024. Its totient is φ = 2807095200.

The previous prime is 4252749511. The next prime is 4252749533. The reversal of 4252749531 is 1359472524.

It is a happy number.

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

It is not a de Polignac number, because 4252749531 - 2³⁰ = 3179007707 is a prime.

It is a super-2 number, since 2×4252749531² = 36171757146841439922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4252749533) 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, 7017436 + ... + 7018041.

It is an arithmetic number, because the mean of its divisors is an integer number (715809378).

Almost surely, 2^4252749531 is an apocalyptic number.

4252749531 is a deficient number, since it is larger than the sum of its proper divisors (1473725493).

4252749531 is a wasteful number, since it uses less digits than its factorization.

4252749531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035581.

The product of its digits is 302400, while the sum is 42.

The square root of 4252749531 is about 65213.1085825542. The cubic root of 4252749531 is about 1620.1551356539.

The spelling of 4252749531 in words is "four billion, two hundred fifty-two million, seven hundred forty-nine thousand, five hundred thirty-one".