7020531 has 24 divisors (see below), whose sum is σ = 11841024. Its totient is φ = 3924720.

The previous prime is 7020529. The next prime is 7020547. The reversal of 7020531 is 1350207.

It is not a de Polignac number, because 7020531 - 2¹ = 7020529 is a prime.

It is a super-2 number, since 2×7020531² = 98575711043922, which contains 22 as substring.

7020531 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (493376).

Almost surely, 2^7020531 is an apocalyptic number.

7020531 is a deficient number, since it is larger than the sum of its proper divisors (4820493).

7020531 is a wasteful number, since it uses less digits than its factorization.

7020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7020531 is about 2649.6284645210. The cubic root of 7020531 is about 191.4799566358.

Adding to 7020531 its reverse (1350207), we get a palindrome (8370738).

The spelling of 7020531 in words is "seven million, twenty thousand, five hundred thirty-one".