4125431 has 2 divisors, whose sum is σ = 4125432. Its totient is φ = 4125430.

The previous prime is 4125427. The next prime is 4125439. The reversal of 4125431 is 1345214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4125431 - 2² = 4125427 is a prime.

It is a super-2 number, since 2×4125431² = 34038361871522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062715 + 2062716.

It is an arithmetic number, because the mean of its divisors is an integer number (2062716).

Almost surely, 2^4125431 is an apocalyptic number.

4125431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125431 is an equidigital number, since it uses as much as digits as its factorization.

4125431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 20.

The square root of 4125431 is about 2031.1157032528. The cubic root of 4125431 is about 160.3823019509.

The spelling of 4125431 in words is "four million, one hundred twenty-five thousand, four hundred thirty-one".