245335512425 has 18 divisors (see below), whose sum is σ = 312660351738. Its totient is φ = 190963831680.

The previous prime is 245335512421. The next prime is 245335512479. The reversal of 245335512425 is 524215533542.

It can be written as a sum of positive squares in 9 ways, for example, as 11508140176 + 233827372249 = 107276^2 + 483557^2 .

It is not a de Polignac number, because 245335512425 - 2² = 245335512421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245335512421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3549932 + ... + 3618381.

It is an arithmetic number, because the mean of its divisors is an integer number (17370019541).

Almost surely, 2^245335512425 is an apocalyptic number.

245335512425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245335512425 is a deficient number, since it is larger than the sum of its proper divisors (67324839313).

245335512425 is an equidigital number, since it uses as much as digits as its factorization.

245335512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168397 (or 7168355 counting only the distinct ones).

The product of its digits is 720000, while the sum is 41.

The spelling of 245335512425 in words is "two hundred forty-five billion, three hundred thirty-five million, five hundred twelve thousand, four hundred twenty-five".