245586493 has 2 divisors, whose sum is σ = 245586494. Its totient is φ = 245586492.

The previous prime is 245586401. The next prime is 245586503. The reversal of 245586493 is 394685542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152695449 + 92891044 = 12357^2 + 9638^2 .

It is a cyclic number.

It is not a de Polignac number, because 245586493 - 2¹⁷ = 245455421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245580493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122793246 + 122793247.

It is an arithmetic number, because the mean of its divisors is an integer number (122793247).

Almost surely, 2^245586493 is an apocalyptic number.

It is an amenable number.

245586493 is a deficient number, since it is larger than the sum of its proper divisors (1).

245586493 is an equidigital number, since it uses as much as digits as its factorization.

245586493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The square root of 245586493 is about 15671.1994754709. The cubic root of 245586493 is about 626.2313796932.

The spelling of 245586493 in words is "two hundred forty-five million, five hundred eighty-six thousand, four hundred ninety-three".