1393050161 has 4 divisors (see below), whose sum is σ = 1408702500. Its totient is φ = 1377397824.

The previous prime is 1393050133. The next prime is 1393050163. The reversal of 1393050161 is 1610503931.

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 678289936 + 714760225 = 26044^2 + 26735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393050161 - 2⁶ = 1393050097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393050163) 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, 7826036 + ... + 7826213.

It is an arithmetic number, because the mean of its divisors is an integer number (352175625).

Almost surely, 2^1393050161 is an apocalyptic number.

It is an amenable number.

1393050161 is a deficient number, since it is larger than the sum of its proper divisors (15652339).

1393050161 is an equidigital number, since it uses as much as digits as its factorization.

1393050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15652338.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1393050161 is about 37323.5871936233. The cubic root of 1393050161 is about 1116.8347495507.

The spelling of 1393050161 in words is "one billion, three hundred ninety-three million, fifty thousand, one hundred sixty-one".