201211425 has 96 divisors (see below), whose sum is σ = 403248000. Its totient is φ = 97977600.

The previous prime is 201211411. The next prime is 201211447. The reversal of 201211425 is 524112102.

It is not a de Polignac number, because 201211425 - 2⁵ = 201211393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201211398 and 201211407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371655 + ... + 372195.

It is an arithmetic number, because the mean of its divisors is an integer number (4200500).

Almost surely, 2^201211425 is an apocalyptic number.

201211425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201211425 is an abundant number, since it is smaller than the sum of its proper divisors (202036575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211425 is a wasteful number, since it uses less digits than its factorization.

201211425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 201211425 is about 14184.9013038512. The cubic root of 201211425 is about 585.9819143933.

Adding to 201211425 its reverse (524112102), we get a palindrome (725323527).

The spelling of 201211425 in words is "two hundred one million, two hundred eleven thousand, four hundred twenty-five".