469451531 has 2 divisors, whose sum is σ = 469451532. Its totient is φ = 469451530.

The previous prime is 469451527. The next prime is 469451533. The reversal of 469451531 is 135154964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469451531 - 2² = 469451527 is a prime.

It is a super-2 number, since 2×469451531² = 440769479916487922, which contains 22 as substring.

Together with 469451533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (469451533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234725765 + 234725766.

It is an arithmetic number, because the mean of its divisors is an integer number (234725766).

Almost surely, 2^469451531 is an apocalyptic number.

469451531 is a deficient number, since it is larger than the sum of its proper divisors (1).

469451531 is an equidigital number, since it uses as much as digits as its factorization.

469451531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 469451531 is about 21666.8302019469. The cubic root of 469451531 is about 777.1954568691.

The spelling of 469451531 in words is "four hundred sixty-nine million, four hundred fifty-one thousand, five hundred thirty-one".