1654048901 has 8 divisors (see below), whose sum is σ = 1711541880. Its totient is φ = 1596586432.

The previous prime is 1654048867. The next prime is 1654048919. The reversal of 1654048901 is 1098404561.

It is a Cunningham number, because it is equal to 40670²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 1654048900 = 1^2 + 40670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1654048901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654048301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188651 + ... + 197223.

It is an arithmetic number, because the mean of its divisors is an integer number (213942735).

Almost surely, 2^1654048901 is an apocalyptic number.

It is an amenable number.

1654048901 is a deficient number, since it is larger than the sum of its proper divisors (57492979).

1654048901 is an equidigital number, since it uses as much as digits as its factorization.

1654048901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1654048901 is about 40670.0000122941. Note that the first 4 decimals coincide. The cubic root of 1654048901 is about 1182.6315160189.

The spelling of 1654048901 in words is "one billion, six hundred fifty-four million, forty-eight thousand, nine hundred one".