454343531 has 2 divisors, whose sum is σ = 454343532. Its totient is φ = 454343530.

The previous prime is 454343521. The next prime is 454343537. The reversal of 454343531 is 135343454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454343531 is a prime.

It is a super-2 number, since 2×454343531² = 412856088323095922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454343537) 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, 227171765 + 227171766.

It is an arithmetic number, because the mean of its divisors is an integer number (227171766).

Almost surely, 2^454343531 is an apocalyptic number.

454343531 is a deficient number, since it is larger than the sum of its proper divisors (1).

454343531 is an equidigital number, since it uses as much as digits as its factorization.

454343531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 32.

The square root of 454343531 is about 21315.3355826269. The cubic root of 454343531 is about 768.7670891744.

Adding to 454343531 its reverse (135343454), we get a palindrome (589686985).

The spelling of 454343531 in words is "four hundred fifty-four million, three hundred forty-three thousand, five hundred thirty-one".