245193061 has 2 divisors, whose sum is σ = 245193062. Its totient is φ = 245193060.

The previous prime is 245193049. The next prime is 245193083. The reversal of 245193061 is 160391542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244328161 + 864900 = 15631^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 245193061 - 2⁵ = 245193029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245193661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122596530 + 122596531.

It is an arithmetic number, because the mean of its divisors is an integer number (122596531).

Almost surely, 2^245193061 is an apocalyptic number.

It is an amenable number.

245193061 is a deficient number, since it is larger than the sum of its proper divisors (1).

245193061 is an equidigital number, since it uses as much as digits as its factorization.

245193061 is an evil number, because the sum of its binary digits is even.

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

The square root of 245193061 is about 15658.6417354763. The cubic root of 245193061 is about 625.8967913290.

The spelling of 245193061 in words is "two hundred forty-five million, one hundred ninety-three thousand, sixty-one".