201425024 has 32 divisors (see below), whose sum is σ = 404985900. Its totient is φ = 99781632.

The previous prime is 201425009. The next prime is 201425051. The reversal of 201425024 is 420524102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199374400 + 2050624 = 14120^2 + 1432^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 201424987 and 201425005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734 + ... + 21170.

Almost surely, 2^201425024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201425024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202492950).

201425024 is an abundant number, since it is smaller than the sum of its proper divisors (203560876).

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

201425024 is a wasteful number, since it uses less digits than its factorization.

201425024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560 (or 14548 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 201425024 is about 14192.4284039061. The cubic root of 201425024 is about 586.1891936879.

Adding to 201425024 its reverse (420524102), we get a palindrome (621949126).

The spelling of 201425024 in words is "two hundred one million, four hundred twenty-five thousand, twenty-four".