245611039 has 2 divisors, whose sum is σ = 245611040. Its totient is φ = 245611038.

The previous prime is 245611001. The next prime is 245611057. The reversal of 245611039 is 930116542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245611039 - 2⁹ = 245610527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245611039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245611139) 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, 122805519 + 122805520.

It is an arithmetic number, because the mean of its divisors is an integer number (122805520).

Almost surely, 2^245611039 is an apocalyptic number.

245611039 is a deficient number, since it is larger than the sum of its proper divisors (1).

245611039 is an equidigital number, since it uses as much as digits as its factorization.

245611039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 245611039 is about 15671.9826122925. The cubic root of 245611039 is about 626.2522426258.

It can be divided in two parts, 24561 and 1039, that added together give a square (25600 = 160²).

The spelling of 245611039 in words is "two hundred forty-five million, six hundred eleven thousand, thirty-nine".