245355401225 has 24 divisors (see below), whose sum is σ = 332247565152. Its totient is φ = 178252860800.

The previous prime is 245355401177. The next prime is 245355401251. The reversal of 245355401225 is 522104553542.

It is not a de Polignac number, because 245355401225 - 2¹⁰ = 245355400201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206027 + ... + 730176.

It is an arithmetic number, because the mean of its divisors is an integer number (13843648548).

Almost surely, 2^245355401225 is an apocalyptic number.

245355401225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245355401225 is a deficient number, since it is larger than the sum of its proper divisors (86892163927).

245355401225 is a wasteful number, since it uses less digits than its factorization.

245355401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937177 (or 937172 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 245355401225 its reverse (522104553542), we get a palindrome (767459954767).

The spelling of 245355401225 in words is "two hundred forty-five billion, three hundred fifty-five million, four hundred one thousand, two hundred twenty-five".