4020625231 has 8 divisors (see below), whose sum is σ = 4595389344. Its totient is φ = 3445958400.

The previous prime is 4020625223. The next prime is 4020625241. The reversal of 4020625231 is 1325260204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020625231 - 2³ = 4020625223 is a prime.

It is a super-2 number, since 2×4020625231² = 32330854496307606722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020625196 and 4020625205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020625201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127191 + ... + 155623.

It is an arithmetic number, because the mean of its divisors is an integer number (574423668).

Almost surely, 2^4020625231 is an apocalyptic number.

4020625231 is a deficient number, since it is larger than the sum of its proper divisors (574764113).

4020625231 is a wasteful number, since it uses less digits than its factorization.

4020625231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4020625231 is about 63408.4003188852. The cubic root of 4020625231 is about 1590.1247520222.

Adding to 4020625231 its reverse (1325260204), we get a palindrome (5345885435).

The spelling of 4020625231 in words is "four billion, twenty million, six hundred twenty-five thousand, two hundred thirty-one".