245201245 has 8 divisors (see below), whose sum is σ = 294368184. Its totient is φ = 196076544.

The previous prime is 245201219. The next prime is 245201287. The reversal of 245201245 is 542102542.

It can be written as a sum of positive squares in 4 ways, for example, as 61246276 + 183954969 = 7826^2 + 13563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245201245 - 2²⁷ = 110983517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (36796023).

Almost surely, 2^245201245 is an apocalyptic number.

It is an amenable number.

245201245 is a deficient number, since it is larger than the sum of its proper divisors (49166939).

245201245 is a wasteful number, since it uses less digits than its factorization.

245201245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21119.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245201245 is about 15658.9030586437. The cubic root of 245201245 is about 625.9037549333.

Adding to 245201245 its reverse (542102542), we get a palindrome (787303787).

The spelling of 245201245 in words is "two hundred forty-five million, two hundred one thousand, two hundred forty-five".