4259631 has 4 divisors (see below), whose sum is σ = 5679512. Its totient is φ = 2839752.

The previous prime is 4259627. The next prime is 4259641. The reversal of 4259631 is 1369524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4259631 - 2² = 4259627 is a prime.

It is a super-2 number, since 2×4259631² = 36288912512322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4259631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4259621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709936 + ... + 709941.

It is an arithmetic number, because the mean of its divisors is an integer number (1419878).

Almost surely, 2^4259631 is an apocalyptic number.

4259631 is a deficient number, since it is larger than the sum of its proper divisors (1419881).

4259631 is a wasteful number, since it uses less digits than its factorization.

4259631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419880.

The product of its digits is 6480, while the sum is 30.

The square root of 4259631 is about 2063.8873515771. The cubic root of 4259631 is about 162.1028534471.

The spelling of 4259631 in words is "four million, two hundred fifty-nine thousand, six hundred thirty-one".