4172640531 has 16 divisors (see below), whose sum is σ = 5929809408. Its totient is φ = 2600784000.

The previous prime is 4172640503. The next prime is 4172640569. The reversal of 4172640531 is 1350462714.

It is not a de Polignac number, because 4172640531 - 2⁶ = 4172640467 is a prime.

It is a super-2 number, since 2×4172640531² = 34821858001887923922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4172640492 and 4172640501.

It is not an unprimeable number, because it can be changed into a prime (4172640581) 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 in 15 ways as a sum of consecutive naturals, for example, 263215 + ... + 278616.

It is an arithmetic number, because the mean of its divisors is an integer number (370613088).

Almost surely, 2^4172640531 is an apocalyptic number.

4172640531 is a deficient number, since it is larger than the sum of its proper divisors (1757168877).

4172640531 is a wasteful number, since it uses less digits than its factorization.

4172640531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542002.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4172640531 is about 64595.9792169760. The cubic root of 4172640531 is about 1609.9176341233.

The spelling of 4172640531 in words is "four billion, one hundred seventy-two million, six hundred forty thousand, five hundred thirty-one".