240473531 has 2 divisors, whose sum is σ = 240473532. Its totient is φ = 240473530.

The previous prime is 240473503. The next prime is 240473567. The reversal of 240473531 is 135374042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240473531 is a prime.

It is a super-2 number, since 2×240473531² = 115655038223215922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240473494 and 240473503.

It is not a weakly prime, because it can be changed into another prime (240473581) 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, 120236765 + 120236766.

It is an arithmetic number, because the mean of its divisors is an integer number (120236766).

Almost surely, 2^240473531 is an apocalyptic number.

240473531 is a deficient number, since it is larger than the sum of its proper divisors (1).

240473531 is an equidigital number, since it uses as much as digits as its factorization.

240473531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 240473531 is about 15507.2090009776. The cubic root of 240473531 is about 621.8549468244.

The spelling of 240473531 in words is "two hundred forty million, four hundred seventy-three thousand, five hundred thirty-one".