1006053394 has 4 divisors (see below), whose sum is σ = 1509080094. Its totient is φ = 503026696.

The previous prime is 1006053311. The next prime is 1006053403. The reversal of 1006053394 is 4933506001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 630662769 + 375390625 = 25113^2 + 19375^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251513347 + ... + 251513350.

Almost surely, 2^1006053394 is an apocalyptic number.

1006053394 is a deficient number, since it is larger than the sum of its proper divisors (503026700).

1006053394 is an equidigital number, since it uses as much as digits as its factorization.

1006053394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503026699.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1006053394 is about 31718.3447550467. The cubic root of 1006053394 is about 1002.0137401287.

Adding to 1006053394 its reverse (4933506001), we get a palindrome (5939559395).

The spelling of 1006053394 in words is "one billion, six million, fifty-three thousand, three hundred ninety-four".