5707507021 has 2 divisors, whose sum is σ = 5707507022. Its totient is φ = 5707507020.

The previous prime is 5707506997. The next prime is 5707507031. The reversal of 5707507021 is 1207057075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3424005225 + 2283501796 = 58515^2 + 47786^2 .

It is a cyclic number.

It is not a de Polignac number, because 5707507021 - 2⁵ = 5707506989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5707507031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853753510 + 2853753511.

It is an arithmetic number, because the mean of its divisors is an integer number (2853753511).

Almost surely, 2^5707507021 is an apocalyptic number.

It is an amenable number.

5707507021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5707507021 is an equidigital number, since it uses as much as digits as its factorization.

5707507021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 5707507021 is about 75548.0444551677. The cubic root of 5707507021 is about 1787.0998490466.

The spelling of 5707507021 in words is "five billion, seven hundred seven million, five hundred seven thousand, twenty-one".