245057965 has 4 divisors (see below), whose sum is σ = 294069564. Its totient is φ = 196046368.

The previous prime is 245057963. The next prime is 245058013. The reversal of 245057965 is 569750542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68194564 + 176863401 = 8258^2 + 13299^2 .

It is a cyclic number.

It is not a de Polignac number, because 245057965 - 2¹ = 245057963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245057963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24505792 + ... + 24505801.

It is an arithmetic number, because the mean of its divisors is an integer number (73517391).

Almost surely, 2^245057965 is an apocalyptic number.

It is an amenable number.

245057965 is a deficient number, since it is larger than the sum of its proper divisors (49011599).

245057965 is an equidigital number, since it uses as much as digits as its factorization.

245057965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49011598.

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 245057965 is about 15654.3273569962. The cubic root of 245057965 is about 625.7818184082.

The spelling of 245057965 in words is "two hundred forty-five million, fifty-seven thousand, nine hundred sixty-five".