240745573 has 2 divisors, whose sum is σ = 240745574. Its totient is φ = 240745572.

The previous prime is 240745543. The next prime is 240745601. The reversal of 240745573 is 375547042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126832644 + 113912929 = 11262^2 + 10673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240745573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240745543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120372786 + 120372787.

It is an arithmetic number, because the mean of its divisors is an integer number (120372787).

Almost surely, 2^240745573 is an apocalyptic number.

It is an amenable number.

240745573 is a deficient number, since it is larger than the sum of its proper divisors (1).

240745573 is an equidigital number, since it uses as much as digits as its factorization.

240745573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 240745573 is about 15515.9779904458. The cubic root of 240745573 is about 622.0893550354.

The spelling of 240745573 in words is "two hundred forty million, seven hundred forty-five thousand, five hundred seventy-three".