1052406531 has 24 divisors (see below), whose sum is σ = 1689635376. Its totient is φ = 625784640.

The previous prime is 1052406529. The next prime is 1052406547. The reversal of 1052406531 is 1356042501.

1052406531 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 4 + 0 + 653 + 1 = 666.

It is not a de Polignac number, because 1052406531 - 2¹ = 1052406529 is a prime.

It is a super-2 number, since 2×1052406531² = 2215119012982907922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052406495 and 1052406504.

It is not an unprimeable number, because it can be changed into a prime (1052406521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95040 + ... + 105533.

It is an arithmetic number, because the mean of its divisors is an integer number (70401474).

Almost surely, 2^1052406531 is an apocalyptic number.

1052406531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052406531 is a deficient number, since it is larger than the sum of its proper divisors (637228845).

1052406531 is a wasteful number, since it uses less digits than its factorization.

1052406531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200643 (or 200640 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1052406531 is about 32440.8158189648. The cubic root of 1052406531 is about 1017.1722688893.

The spelling of 1052406531 in words is "one billion, fifty-two million, four hundred six thousand, five hundred thirty-one".