201245312525 has 24 divisors (see below), whose sum is σ = 257782977024. Its totient is φ = 155688523200.

The previous prime is 201245312509. The next prime is 201245312533. The reversal of 201245312525 is 525213542102.

It is not a de Polignac number, because 201245312525 - 2⁴ = 201245312509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201245312491 and 201245312500.

It is a congruent 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, 969512 + ... + 1158638.

It is an arithmetic number, because the mean of its divisors is an integer number (10740957376).

Almost surely, 2^201245312525 is an apocalyptic number.

201245312525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201245312525 is a deficient number, since it is larger than the sum of its proper divisors (56537664499).

201245312525 is a wasteful number, since it uses less digits than its factorization.

201245312525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190541 (or 190536 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 201245312525 its reverse (525213542102), we get a palindrome (726458854627).

The spelling of 201245312525 in words is "two hundred one billion, two hundred forty-five million, three hundred twelve thousand, five hundred twenty-five".