5731020251 has 16 divisors (see below), whose sum is σ = 6520270848. Its totient is φ = 4989945600.

The previous prime is 5731020187. The next prime is 5731020257. The reversal of 5731020251 is 1520201375.

It is a cyclic number.

It is not a de Polignac number, because 5731020251 - 2⁶ = 5731020187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5731020251.

It is not an unprimeable number, because it can be changed into a prime (5731020257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53555 + ... + 119708.

It is an arithmetic number, because the mean of its divisors is an integer number (407516928).

Almost surely, 2^5731020251 is an apocalyptic number.

5731020251 is a deficient number, since it is larger than the sum of its proper divisors (789250597).

5731020251 is a wasteful number, since it uses less digits than its factorization.

5731020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173402.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 5731020251 is about 75703.5022373470. The cubic root of 5731020251 is about 1789.5505931495.

The spelling of 5731020251 in words is "five billion, seven hundred thirty-one million, twenty thousand, two hundred fifty-one".