1004725554 has 16 divisors (see below), whose sum is σ = 2296515648. Its totient is φ = 287064432.

The previous prime is 1004725549. The next prime is 1004725559. The reversal of 1004725554 is 4555274001.

It is an interprime number because it is at equal distance from previous prime (1004725549) and next prime (1004725559).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1004725559) 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 7 ways as a sum of consecutive naturals, for example, 11960977 + ... + 11961060.

It is an arithmetic number, because the mean of its divisors is an integer number (143532228).

Almost surely, 2^1004725554 is an apocalyptic number.

1004725554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1004725554 is an abundant number, since it is smaller than the sum of its proper divisors (1291790094).

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

1004725554 is a wasteful number, since it uses less digits than its factorization.

1004725554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922049.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1004725554 is about 31697.4061083869. The cubic root of 1004725554 is about 1001.5727099534.

Adding to 1004725554 its reverse (4555274001), we get a palindrome (5559999555).

The spelling of 1004725554 in words is "one billion, four million, seven hundred twenty-five thousand, five hundred fifty-four".