470006981 has 2 divisors, whose sum is σ = 470006982. Its totient is φ = 470006980.

The previous prime is 470006969. The next prime is 470006983. The reversal of 470006981 is 189600074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375041956 + 94965025 = 19366^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 470006981 - 2¹⁰ = 470005957 is a prime.

It is a super-2 number, since 2×470006981² = 441813124377468722, which contains 22 as substring.

Together with 470006983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470006983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235003490 + 235003491.

It is an arithmetic number, because the mean of its divisors is an integer number (235003491).

Almost surely, 2^470006981 is an apocalyptic number.

It is an amenable number.

470006981 is a deficient number, since it is larger than the sum of its proper divisors (1).

470006981 is an equidigital number, since it uses as much as digits as its factorization.

470006981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 470006981 is about 21679.6443928400. The cubic root of 470006981 is about 777.5018591575.

The spelling of 470006981 in words is "four hundred seventy million, six thousand, nine hundred eighty-one".