10487531 has 8 divisors (see below), whose sum is σ = 10887600. Its totient is φ = 10090080.

The previous prime is 10487509. The next prime is 10487551. The reversal of 10487531 is 13578401.

10487531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10487531 - 2¹⁸ = 10225387 is a prime.

It is a super-2 number, since 2×10487531² = 219976612951922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10487494 and 10487503.

It is not an unprimeable number, because it can be changed into a prime (10487551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11780 + ... + 12638.

It is an arithmetic number, because the mean of its divisors is an integer number (1360950).

Almost surely, 2^10487531 is an apocalyptic number.

10487531 is a deficient number, since it is larger than the sum of its proper divisors (400069).

10487531 is an equidigital number, since it uses as much as digits as its factorization.

10487531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 10487531 is about 3238.4457691924. The cubic root of 10487531 is about 218.8892429394.

The spelling of 10487531 in words is "ten million, four hundred eighty-seven thousand, five hundred thirty-one".