202351420545425 has 12 divisors (see below), whose sum is σ = 253502521906956. Its totient is φ = 160212258739200.

The previous prime is 202351420545403. The next prime is 202351420545433. The reversal of 202351420545425 is 524545024153202.

It can be written as a sum of positive squares in 6 ways, for example, as 107497425424 + 202243923120001 = 327868^2 + 14221249^2 .

It is not a de Polignac number, because 202351420545425 - 2¹⁸ = 202351420283281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41721939956 + ... + 41721944805.

It is an arithmetic number, because the mean of its divisors is an integer number (21125210158913).

Almost surely, 2^{202351420545425} is an apocalyptic number.

202351420545425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202351420545425 is a deficient number, since it is larger than the sum of its proper divisors (51151101361531).

202351420545425 is an equidigital number, since it uses as much as digits as its factorization.

202351420545425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83443884868 (or 83443884863 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 202351420545425 its reverse (524545024153202), we get a palindrome (726896444698627).

The spelling of 202351420545425 in words is "two hundred two trillion, three hundred fifty-one billion, four hundred twenty million, five hundred forty-five thousand, four hundred twenty-five".