4620531 has 4 divisors (see below), whose sum is σ = 6160712. Its totient is φ = 3080352.

The previous prime is 4620529. The next prime is 4620547. The reversal of 4620531 is 1350264.

It is a happy number.

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

It is not a de Polignac number, because 4620531 - 2¹ = 4620529 is a prime.

It is a super-2 number, since 2×4620531² = 42698613443922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4620498 and 4620507.

It is not an unprimeable number, because it can be changed into a prime (4620571) 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, 770086 + ... + 770091.

It is an arithmetic number, because the mean of its divisors is an integer number (1540178).

Almost surely, 2^4620531 is an apocalyptic number.

4620531 is a deficient number, since it is larger than the sum of its proper divisors (1540181).

4620531 is a wasteful number, since it uses less digits than its factorization.

4620531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540180.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4620531 is about 2149.5420442504. The cubic root of 4620531 is about 166.5574115066.

Adding to 4620531 its reverse (1350264), we get a palindrome (5970795).

It can be divided in two parts, 4620 and 531, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4620531 in words is "four million, six hundred twenty thousand, five hundred thirty-one".