201430025 has 12 divisors (see below), whose sum is σ = 264466332. Its totient is φ = 151664640.

The previous prime is 201429997. The next prime is 201430037. The reversal of 201430025 is 520034102.

It can be written as a sum of positive squares in 6 ways, for example, as 17161 + 201412864 = 131^2 + 14192^2 .

It is not a de Polignac number, because 201430025 - 2¹² = 201425929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201429985 and 201430012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236552 + ... + 237401.

It is an arithmetic number, because the mean of its divisors is an integer number (22038861).

Almost surely, 2^201430025 is an apocalyptic number.

201430025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201430025 is a deficient number, since it is larger than the sum of its proper divisors (63036307).

201430025 is a wasteful number, since it uses less digits than its factorization.

201430025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473980 (or 473975 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201430025 is about 14192.6045883058. The cubic root of 201430025 is about 586.1940449684.

Adding to 201430025 its reverse (520034102), we get a palindrome (721464127).

The spelling of 201430025 in words is "two hundred one million, four hundred thirty thousand, twenty-five".