201430425 has 72 divisors (see below), whose sum is σ = 394394400. Its totient is φ = 90424320.

The previous prime is 201430409. The next prime is 201430429. The reversal of 201430425 is 524034102.

It is not a de Polignac number, because 201430425 - 2⁴ = 201430409 is a prime.

It is a super-2 number, since 2×201430425² = 81148432231361250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201430429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 216361 + ... + 217289.

It is an arithmetic number, because the mean of its divisors is an integer number (5477700).

Almost surely, 2^201430425 is an apocalyptic number.

201430425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201430425 is a deficient number, since it is larger than the sum of its proper divisors (192963975).

201430425 is a wasteful number, since it uses less digits than its factorization.

201430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 201430425 is about 14192.6186801450. The cubic root of 201430425 is about 586.1944329898.

Adding to 201430425 its reverse (524034102), we get a palindrome (725464527).

The spelling of 201430425 in words is "two hundred one million, four hundred thirty thousand, four hundred twenty-five".