17142049 has 4 divisors (see below), whose sum is σ = 17244864. Its totient is φ = 17039236.

The previous prime is 17142031. The next prime is 17142053. The reversal of 17142049 is 94024171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17142049 - 2⁷ = 17141921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17142019) 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, 51157 + ... + 51490.

It is an arithmetic number, because the mean of its divisors is an integer number (4311216).

Almost surely, 2^17142049 is an apocalyptic number.

It is an amenable number.

17142049 is a deficient number, since it is larger than the sum of its proper divisors (102815).

17142049 is a wasteful number, since it uses less digits than its factorization.

17142049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102814.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 17142049 is about 4140.2957623822. The cubic root of 17142049 is about 257.8423460445.

The spelling of 17142049 in words is "seventeen million, one hundred forty-two thousand, forty-nine".