1601654525 has 24 divisors (see below), whose sum is σ = 2053035264. Its totient is φ = 1238227200.

The previous prime is 1601654513. The next prime is 1601654563. The reversal of 1601654525 is 5254561061.

It is not a de Polignac number, because 1601654525 - 2¹⁸ = 1601392381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 900437 + ... + 902213.

It is an arithmetic number, because the mean of its divisors is an integer number (85543136).

Almost surely, 2^1601654525 is an apocalyptic number.

It is an amenable number.

1601654525 is a deficient number, since it is larger than the sum of its proper divisors (451380739).

1601654525 is a wasteful number, since it uses less digits than its factorization.

1601654525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1601654525 is about 40020.6762186748. The cubic root of 1601654525 is about 1170.0101114377.

The spelling of 1601654525 in words is "one billion, six hundred one million, six hundred fifty-four thousand, five hundred twenty-five".