431205025 has 12 divisors (see below), whose sum is σ = 546072192. Its totient is φ = 337623440.

The previous prime is 431205011. The next prime is 431205029. The reversal of 431205025 is 520502134.

It is not a de Polignac number, because 431205025 - 2¹³ = 431196833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431204987 and 431205005.

It is not an unprimeable number, because it can be changed into a prime (431205029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182317 + ... + 184666.

It is an arithmetic number, because the mean of its divisors is an integer number (45506016).

Almost surely, 2^431205025 is an apocalyptic number.

It is an amenable number.

431205025 is a deficient number, since it is larger than the sum of its proper divisors (114867167).

431205025 is a wasteful number, since it uses less digits than its factorization.

431205025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367040 (or 367035 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 431205025 is about 20765.4767583121. The cubic root of 431205025 is about 755.4886388457.

Adding to 431205025 its reverse (520502134), we get a palindrome (951707159).

The spelling of 431205025 in words is "four hundred thirty-one million, two hundred five thousand, twenty-five".