10620531 has 24 divisors (see below), whose sum is σ = 16146960. Its totient is φ = 6898752.

The previous prime is 10620521. The next prime is 10620541. The reversal of 10620531 is 13502601.

10620531 is a `hidden beast` number, since 10 + 620 + 5 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (10620521) and next prime (10620541).

It is not a de Polignac number, because 10620531 - 2¹¹ = 10618483 is a prime.

It is a super-2 number, since 2×10620531² = 225591357443922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10620521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93931 + ... + 94043.

It is an arithmetic number, because the mean of its divisors is an integer number (672790).

Almost surely, 2^10620531 is an apocalyptic number.

10620531 is a deficient number, since it is larger than the sum of its proper divisors (5526429).

10620531 is an equidigital number, since it uses as much as digits as its factorization.

10620531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 10620531 is about 3258.9156171954. The cubic root of 10620531 is about 219.8106566473.

The spelling of 10620531 in words is "ten million, six hundred twenty thousand, five hundred thirty-one".