1038531 has 16 divisors (see below), whose sum is σ = 1541120. Its totient is φ = 617760.

The previous prime is 1038529. The next prime is 1038539. The reversal of 1038531 is 1358301.

It is a happy number.

It is not a de Polignac number, because 1038531 - 2¹ = 1038529 is a prime.

It is a super-2 number, since 2×1038531² = 2157093275922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1038498 and 1038507.

It is not an unprimeable number, because it can be changed into a prime (1038539) 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, 780 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (96320).

2^1038531 is an apocalyptic number.

1038531 is a deficient number, since it is larger than the sum of its proper divisors (502589).

1038531 is a wasteful number, since it uses less digits than its factorization.

1038531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1038531 is about 1019.0834116990. The cubic root of 1038531 is about 101.2682149823.

The spelling of 1038531 in words is "one million, thirty-eight thousand, five hundred thirty-one".