245342402251025 has 12 divisors (see below), whose sum is σ = 306546903824304. Its totient is φ = 194775647586000.

The previous prime is 245342402250997. The next prime is 245342402251031. The reversal of 245342402251025 is 520152204243542.

It is not a de Polignac number, because 245342402251025 - 2³⁰ = 245341328509201 is a prime.

It is a super-2 number, since 2×245342402251025² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37456852031 + ... + 37456858580.

It is an arithmetic number, because the mean of its divisors is an integer number (25545575318692).

Almost surely, 2^{245342402251025} is an apocalyptic number.

245342402251025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245342402251025 is a deficient number, since it is larger than the sum of its proper divisors (61204501573279).

245342402251025 is a wasteful number, since it uses less digits than its factorization.

245342402251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74913710752 (or 74913710747 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 245342402251025 its reverse (520152204243542), we get a palindrome (765494606494567).

The spelling of 245342402251025 in words is "two hundred forty-five trillion, three hundred forty-two billion, four hundred two million, two hundred fifty-one thousand, twenty-five".