1654170113 has 4 divisors (see below), whose sum is σ = 1654670340. Its totient is φ = 1653669888.

The previous prime is 1654170107. The next prime is 1654170127. The reversal of 1654170113 is 3110714561.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 869778064 + 784392049 = 29492^2 + 28007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1654170113 - 2²⁰ = 1653121537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1654170103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245120 + ... + 251777.

It is an arithmetic number, because the mean of its divisors is an integer number (413667585).

Almost surely, 2^1654170113 is an apocalyptic number.

It is an amenable number.

1654170113 is a deficient number, since it is larger than the sum of its proper divisors (500227).

1654170113 is an equidigital number, since it uses as much as digits as its factorization.

1654170113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500226.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1654170113 is about 40671.4901743224. The cubic root of 1654170113 is about 1182.6604038447.

Adding to 1654170113 its reverse (3110714561), we get a palindrome (4764884674).

The spelling of 1654170113 in words is "one billion, six hundred fifty-four million, one hundred seventy thousand, one hundred thirteen".