531654953 has 2 divisors, whose sum is σ = 531654954. Its totient is φ = 531654952.

The previous prime is 531654931. The next prime is 531655001. The reversal of 531654953 is 359456135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527023849 + 4631104 = 22957^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 531654953 - 2¹² = 531650857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531654953.

It is not a weakly prime, because it can be changed into another prime (531614953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265827476 + 265827477.

It is an arithmetic number, because the mean of its divisors is an integer number (265827477).

Almost surely, 2^531654953 is an apocalyptic number.

It is an amenable number.

531654953 is a deficient number, since it is larger than the sum of its proper divisors (1).

531654953 is an equidigital number, since it uses as much as digits as its factorization.

531654953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 41.

The square root of 531654953 is about 23057.6441337791. The cubic root of 531654953 is about 810.1086848014.

The spelling of 531654953 in words is "five hundred thirty-one million, six hundred fifty-four thousand, nine hundred fifty-three".