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1004331401 = 9151109751

1004331401 has 4 divisors (see below), whose sum is σ = 1004450304. Its totient is φ = 1004212500.

The previous prime is 1004331379. The next prime is 1004331437. The reversal of 1004331401 is 1041334001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004331401 - 26 = 1004331337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004331401.

It is not an unprimeable number, because it can be changed into a prime (1004331001) 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 3 ways as a sum of consecutive naturals, for example, 45725 + ... + 64026.

It is an arithmetic number, because the mean of its divisors is an integer number (251112576).

Almost surely, 21004331401 is an apocalyptic number.

It is an amenable number.

1004331401 is a deficient number, since it is larger than the sum of its proper divisors (118903).

1004331401 is an equidigital number, since it uses as much as digits as its factorization.

1004331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118902.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1004331401 is about 31691.1880654544. The cubic root of 1004331401 is about 1001.4417207756.

Adding to 1004331401 its reverse (1041334001), we get a palindrome (2045665402).

The spelling of 1004331401 in words is "one billion, four million, three hundred thirty-one thousand, four hundred one".

Divisors: 1 9151 109751 1004331401