1604526485 has 4 divisors (see below), whose sum is σ = 1925431788. Its totient is φ = 1283621184.

The previous prime is 1604526479. The next prime is 1604526491. The reversal of 1604526485 is 5846254061.

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

It is an interprime number because it is at equal distance from previous prime (1604526479) and next prime (1604526491).

It can be written as a sum of positive squares in 2 ways, for example, as 278255761 + 1326270724 = 16681^2 + 36418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604526485 - 2⁸ = 1604526229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160452644 + ... + 160452653.

It is an arithmetic number, because the mean of its divisors is an integer number (481357947).

Almost surely, 2^1604526485 is an apocalyptic number.

It is an amenable number.

1604526485 is a deficient number, since it is larger than the sum of its proper divisors (320905303).

1604526485 is an equidigital number, since it uses as much as digits as its factorization.

1604526485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320905302.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 1604526485 is about 40056.5411012983. The cubic root of 1604526485 is about 1170.7090170085.

The spelling of 1604526485 in words is "one billion, six hundred four million, five hundred twenty-six thousand, four hundred eighty-five".