239617061 has 4 divisors (see below), whose sum is σ = 239889312. Its totient is φ = 239344812.

The previous prime is 239617051. The next prime is 239617087. The reversal of 239617061 is 160716932.

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 239617061 - 2¹⁴ = 239600677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239617051) 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, 134801 + ... + 136566.

It is an arithmetic number, because the mean of its divisors is an integer number (59972328).

Almost surely, 2^239617061 is an apocalyptic number.

It is an amenable number.

239617061 is a deficient number, since it is larger than the sum of its proper divisors (272251).

239617061 is an equidigital number, since it uses as much as digits as its factorization.

239617061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272250.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 239617061 is about 15479.5691477509. The cubic root of 239617061 is about 621.1158028797.

The spelling of 239617061 in words is "two hundred thirty-nine million, six hundred seventeen thousand, sixty-one".