431025601 has 2 divisors, whose sum is σ = 431025602. Its totient is φ = 431025600.

The previous prime is 431025587. The next prime is 431025613. The reversal of 431025601 is 106520134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370947600 + 60078001 = 19260^2 + 7751^2 .

It is a cyclic number.

It is not a de Polignac number, because 431025601 - 2⁷ = 431025473 is a prime.

It is a super-2 number, since 2×431025601² = 371566137434822402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (431025641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215512800 + 215512801.

It is an arithmetic number, because the mean of its divisors is an integer number (215512801).

Almost surely, 2^431025601 is an apocalyptic number.

It is an amenable number.

431025601 is a deficient number, since it is larger than the sum of its proper divisors (1).

431025601 is an equidigital number, since it uses as much as digits as its factorization.

431025601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 431025601 is about 20761.1560612602. The cubic root of 431025601 is about 755.3838382743.

Adding to 431025601 its reverse (106520134), we get a palindrome (537545735).

The spelling of 431025601 in words is "four hundred thirty-one million, twenty-five thousand, six hundred one".