245225242413 has 12 divisors (see below), whose sum is σ = 354227300700. Its totient is φ = 163477466496.

The previous prime is 245225242411. The next prime is 245225242429. The reversal of 245225242413 is 314242522542.

245225242413 is a `hidden beast` number, since 2 + 4 + 5 + 225 + 2 + 424 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149875831044 + 95349411369 = 387138^2 + 308787^2 .

It is not a de Polignac number, because 245225242413 - 2¹ = 245225242411 is a prime.

It is a super-2 number, since 2×245225242413² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225242411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237388 + ... + 739461.

It is an arithmetic number, because the mean of its divisors is an integer number (29518941725).

Almost surely, 2^245225242413 is an apocalyptic number.

It is an amenable number.

245225242413 is a deficient number, since it is larger than the sum of its proper divisors (109002058287).

245225242413 is a wasteful number, since it uses less digits than its factorization.

245225242413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004748 (or 1004745 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 245225242413 its reverse (314242522542), we get a palindrome (559467764955).

The spelling of 245225242413 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred forty-two thousand, four hundred thirteen".