70305133 has 2 divisors, whose sum is σ = 70305134. Its totient is φ = 70305132.

The previous prime is 70305107. The next prime is 70305139. The reversal of 70305133 is 33150307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40678884 + 29626249 = 6378^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 70305133 - 2⁵ = 70305101 is a prime.

It is a super-2 number, since 2×70305133² = 9885623452295378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70305139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35152566 + 35152567.

It is an arithmetic number, because the mean of its divisors is an integer number (35152567).

Almost surely, 2^70305133 is an apocalyptic number.

It is an amenable number.

70305133 is a deficient number, since it is larger than the sum of its proper divisors (1).

70305133 is an equidigital number, since it uses as much as digits as its factorization.

70305133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 70305133 is about 8384.8156211094. The cubic root of 70305133 is about 412.7264906169.

The spelling of 70305133 in words is "seventy million, three hundred five thousand, one hundred thirty-three".