5670215251 has 4 divisors (see below), whose sum is σ = 5671047600. Its totient is φ = 5669382904.

The previous prime is 5670215233. The next prime is 5670215261. The reversal of 5670215251 is 1525120765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5670215251 - 2²⁹ = 5133344339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5670215261) 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, 405871 + ... + 419608.

It is an arithmetic number, because the mean of its divisors is an integer number (1417761900).

Almost surely, 2^5670215251 is an apocalyptic number.

5670215251 is a deficient number, since it is larger than the sum of its proper divisors (832349).

5670215251 is an equidigital number, since it uses as much as digits as its factorization.

5670215251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832348.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 5670215251 is about 75300.8316753540. The cubic root of 5670215251 is about 1783.1991505371.

The spelling of 5670215251 in words is "five billion, six hundred seventy million, two hundred fifteen thousand, two hundred fifty-one".