1005402534 has 16 divisors (see below), whose sum is σ = 2012430000. Its totient is φ = 334863360.

The previous prime is 1005402487. The next prime is 1005402547. The reversal of 1005402534 is 4352045001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59587 + ... + 74574.

It is an arithmetic number, because the mean of its divisors is an integer number (125776875).

Almost surely, 2^1005402534 is an apocalyptic number.

1005402534 is an abundant number, since it is smaller than the sum of its proper divisors (1007027466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005402534 is a wasteful number, since it uses less digits than its factorization.

1005402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135415.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1005402534 is about 31708.0831019474. The cubic root of 1005402534 is about 1001.7976113239.

Adding to 1005402534 its reverse (4352045001), we get a palindrome (5357447535).

The spelling of 1005402534 in words is "one billion, five million, four hundred two thousand, five hundred thirty-four".