201225134425 has 12 divisors (see below), whose sum is σ = 285164762176. Its totient is φ = 137982949200.

The previous prime is 201225134413. The next prime is 201225134437. The reversal of 201225134425 is 524431522102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201225134413) and next prime (201225134437).

It is not a de Polignac number, because 201225134425 - 2¹⁹ = 201224610137 is a prime.

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, 574928781 + ... + 574929130.

Almost surely, 2^201225134425 is an apocalyptic number.

201225134425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201225134425 is a deficient number, since it is larger than the sum of its proper divisors (83939627751).

201225134425 is a wasteful number, since it uses less digits than its factorization.

201225134425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149857928 (or 1149857923 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 201225134425 its reverse (524431522102), we get a palindrome (725656656527).

The spelling of 201225134425 in words is "two hundred one billion, two hundred twenty-five million, one hundred thirty-four thousand, four hundred twenty-five".