70852013 has 2 divisors, whose sum is σ = 70852014. Its totient is φ = 70852012.

The previous prime is 70852009. The next prime is 70852021. The reversal of 70852013 is 31025807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37002889 + 33849124 = 6083^2 + 5818^2 .

It is a cyclic number.

It is not a de Polignac number, because 70852013 - 2² = 70852009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70852063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35426006 + 35426007.

It is an arithmetic number, because the mean of its divisors is an integer number (35426007).

Almost surely, 2^70852013 is an apocalyptic number.

It is an amenable number.

70852013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70852013 is an equidigital number, since it uses as much as digits as its factorization.

70852013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70852013 is about 8417.3637797116. The cubic root of 70852013 is about 413.7938813090.

The spelling of 70852013 in words is "seventy million, eight hundred fifty-two thousand, thirteen".