70855051 has 2 divisors, whose sum is σ = 70855052. Its totient is φ = 70855050.

The previous prime is 70854989. The next prime is 70855061. The reversal of 70855051 is 15055807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70855051 - 2⁷ = 70854923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70855061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35427525 + 35427526.

It is an arithmetic number, because the mean of its divisors is an integer number (35427526).

Almost surely, 2^70855051 is an apocalyptic number.

70855051 is a deficient number, since it is larger than the sum of its proper divisors (1).

70855051 is an equidigital number, since it uses as much as digits as its factorization.

70855051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 70855051 is about 8417.5442380780. The cubic root of 70855051 is about 413.7997954568.

The spelling of 70855051 in words is "seventy million, eight hundred fifty-five thousand, fifty-one".