245165311 has 2 divisors, whose sum is σ = 245165312. Its totient is φ = 245165310.

The previous prime is 245165287. The next prime is 245165351. The reversal of 245165311 is 113561542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245165311 - 2⁷ = 245165183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245165311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245165351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122582655 + 122582656.

It is an arithmetic number, because the mean of its divisors is an integer number (122582656).

Almost surely, 2^245165311 is an apocalyptic number.

245165311 is a deficient number, since it is larger than the sum of its proper divisors (1).

245165311 is an equidigital number, since it uses as much as digits as its factorization.

245165311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 245165311 is about 15657.7556182232. The cubic root of 245165311 is about 625.8731782475.

The spelling of 245165311 in words is "two hundred forty-five million, one hundred sixty-five thousand, three hundred eleven".