245225015131 has 4 divisors (see below), whose sum is σ = 245695697064. Its totient is φ = 244754333200.

The previous prime is 245225015059. The next prime is 245225015141. The reversal of 245225015131 is 131510522542.

245225015131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245225015131 is a prime.

It is a super-2 number, since 2×245225015131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245225015093 and 245225015102.

It is not an unprimeable number, because it can be changed into a prime (245225015141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235340185 + ... + 235341226.

It is an arithmetic number, because the mean of its divisors is an integer number (61423924266).

Almost surely, 2^245225015131 is an apocalyptic number.

245225015131 is a deficient number, since it is larger than the sum of its proper divisors (470681933).

245225015131 is an equidigital number, since it uses as much as digits as its factorization.

245225015131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470681932.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 245225015131 its reverse (131510522542), we get a palindrome (376735537673).

The spelling of 245225015131 in words is "two hundred forty-five billion, two hundred twenty-five million, fifteen thousand, one hundred thirty-one".