245253625522 has 4 divisors (see below), whose sum is σ = 367880438286. Its totient is φ = 122626812760.

The previous prime is 245253625511. The next prime is 245253625523. The reversal of 245253625522 is 225526352542.

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

It can be written as a sum of positive squares in only one way, i.e., 230591079601 + 14662545921 = 480199^2 + 121089^2 .

It is not an unprimeable number, because it can be changed into a prime (245253625523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61313406379 + ... + 61313406382.

Almost surely, 2^245253625522 is an apocalyptic number.

245253625522 is a deficient number, since it is larger than the sum of its proper divisors (122626812764).

245253625522 is a wasteful number, since it uses less digits than its factorization.

245253625522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122626812763.

The product of its digits is 1440000, while the sum is 43.

The spelling of 245253625522 in words is "two hundred forty-five billion, two hundred fifty-three million, six hundred twenty-five thousand, five hundred twenty-two".