4125631 has 2 divisors, whose sum is σ = 4125632. Its totient is φ = 4125630.

The previous prime is 4125629. The next prime is 4125637. The reversal of 4125631 is 1365214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4125631 - 2¹ = 4125629 is a prime.

It is a super-2 number, since 2×4125631² = 34041662296322, which contains 22 as substring.

Together with 4125629, it forms a pair of twin primes.

It is a Chen prime.

4125631 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062815 + 2062816.

It is an arithmetic number, because the mean of its divisors is an integer number (2062816).

Almost surely, 2^4125631 is an apocalyptic number.

4125631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125631 is an equidigital number, since it uses as much as digits as its factorization.

4125631 is an evil number, because the sum of its binary digits is even.

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

The square root of 4125631 is about 2031.1649366804. The cubic root of 4125631 is about 160.3848936754.

The spelling of 4125631 in words is "four million, one hundred twenty-five thousand, six hundred thirty-one".