1504104661 has 2 divisors, whose sum is σ = 1504104662. Its totient is φ = 1504104660.

The previous prime is 1504104647. The next prime is 1504104673. The reversal of 1504104661 is 1664014051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774564561 + 729540100 = 27831^2 + 27010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1504104661 - 2⁷ = 1504104533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1504134661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752052330 + 752052331.

It is an arithmetic number, because the mean of its divisors is an integer number (752052331).

Almost surely, 2^1504104661 is an apocalyptic number.

It is an amenable number.

1504104661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504104661 is an equidigital number, since it uses as much as digits as its factorization.

1504104661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1504104661 is about 38782.7882055945. The cubic root of 1504104661 is about 1145.7574391177.

The spelling of 1504104661 in words is "one billion, five hundred four million, one hundred four thousand, six hundred sixty-one".