4971531 has 16 divisors (see below), whose sum is σ = 7185024. Its totient is φ = 3045504.

The previous prime is 4971529. The next prime is 4971553. The reversal of 4971531 is 1351794.

It is not a de Polignac number, because 4971531 - 2¹ = 4971529 is a prime.

It is a super-2 number, since 2×4971531² = 49432240967922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4971931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

Almost surely, 2^4971531 is an apocalyptic number.

4971531 is a deficient number, since it is larger than the sum of its proper divisors (2213493).

4971531 is a wasteful number, since it uses less digits than its factorization.

4971531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 3780, while the sum is 30.

The square root of 4971531 is about 2229.6930281992. The cubic root of 4971531 is about 170.6724347178.

The spelling of 4971531 in words is "four million, nine hundred seventy-one thousand, five hundred thirty-one".