5642514251 has 8 divisors (see below), whose sum is σ = 6517556784. Its totient is φ = 4827819520.

The previous prime is 5642514247. The next prime is 5642514263. The reversal of 5642514251 is 1524152465.

5642514251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5642514251 - 2² = 5642514247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642514211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15086750 + ... + 15087123.

It is an arithmetic number, because the mean of its divisors is an integer number (814694598).

Almost surely, 2^5642514251 is an apocalyptic number.

5642514251 is a deficient number, since it is larger than the sum of its proper divisors (875042533).

5642514251 is a wasteful number, since it uses less digits than its factorization.

5642514251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30173901.

The product of its digits is 48000, while the sum is 35.

The square root of 5642514251 is about 75116.6709259669. The cubic root of 5642514251 is about 1780.2905567642.

The spelling of 5642514251 in words is "five billion, six hundred forty-two million, five hundred fourteen thousand, two hundred fifty-one".