912053531 has 2 divisors, whose sum is σ = 912053532. Its totient is φ = 912053530.

The previous prime is 912053507. The next prime is 912053563. The reversal of 912053531 is 135350219.

It is a weak prime.

It is an emirp because it is prime and its reverse (135350219) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912053531 is a prime.

It is a super-2 number, since 2×912053531² = 1663683286819135922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 912053494 and 912053503.

It is not a weakly prime, because it can be changed into another prime (912053581) 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, 456026765 + 456026766.

It is an arithmetic number, because the mean of its divisors is an integer number (456026766).

Almost surely, 2^912053531 is an apocalyptic number.

912053531 is a deficient number, since it is larger than the sum of its proper divisors (1).

912053531 is an equidigital number, since it uses as much as digits as its factorization.

912053531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 912053531 is about 30200.2240223479. The cubic root of 912053531 is about 969.7804905920.

The spelling of 912053531 in words is "nine hundred twelve million, fifty-three thousand, five hundred thirty-one".