470981531 has 2 divisors, whose sum is σ = 470981532. Its totient is φ = 470981530.

The previous prime is 470981527. The next prime is 470981561. The reversal of 470981531 is 135189074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 470981531 - 2² = 470981527 is a prime.

It is a super-2 number, since 2×470981531² = 443647205086207922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (470981561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235490765 + 235490766.

It is an arithmetic number, because the mean of its divisors is an integer number (235490766).

Almost surely, 2^470981531 is an apocalyptic number.

470981531 is a deficient number, since it is larger than the sum of its proper divisors (1).

470981531 is an equidigital number, since it uses as much as digits as its factorization.

470981531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 470981531 is about 21702.1089067399. The cubic root of 470981531 is about 778.0388663141.

The spelling of 470981531 in words is "four hundred seventy million, nine hundred eighty-one thousand, five hundred thirty-one".