201425280 has 192 divisors, whose sum is σ = 747215280. Its totient is φ = 46018560.

The previous prime is 201425269. The next prime is 201425291. The reversal of 201425280 is 82524102.

It is an interprime number because it is at equal distance from previous prime (201425269) and next prime (201425291).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 201425280.

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, 93010 + ... + 95150.

Almost surely, 2^201425280 is an apocalyptic number.

201425280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373607640).

201425280 is an abundant number, since it is smaller than the sum of its proper divisors (545790000).

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

201425280 is a wasteful number, since it uses less digits than its factorization.

201425280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 201425280 is about 14192.4374227967. The cubic root of 201425280 is about 586.1894420257.

Adding to 201425280 its reverse (82524102), we get a palindrome (283949382).

The spelling of 201425280 in words is "two hundred one million, four hundred twenty-five thousand, two hundred eighty".