202445520425 has 12 divisors (see below), whose sum is σ = 265799060316. Its totient is φ = 152429568000.

The previous prime is 202445520401. The next prime is 202445520439. The reversal of 202445520425 is 524025544202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24607883161 + 177837637264 = 156869^2 + 421708^2 .

It is not a de Polignac number, because 202445520425 - 2¹⁰ = 202445519401 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, 238170776 + ... + 238171625.

It is an arithmetic number, because the mean of its divisors is an integer number (22149921693).

Almost surely, 2^202445520425 is an apocalyptic number.

202445520425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202445520425 is a deficient number, since it is larger than the sum of its proper divisors (63353539891).

202445520425 is a wasteful number, since it uses less digits than its factorization.

202445520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476342428 (or 476342423 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 202445520425 in words is "two hundred two billion, four hundred forty-five million, five hundred twenty thousand, four hundred twenty-five".