60172261 has 4 divisors (see below), whose sum is σ = 60897312. Its totient is φ = 59447212.

The previous prime is 60172243. The next prime is 60172279. The reversal of 60172261 is 16227106.

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 an interprime number because it is at equal distance from previous prime (60172243) and next prime (60172279).

It is a cyclic number.

It is not a de Polignac number, because 60172261 - 2¹¹ = 60170213 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 (60172561) 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, 362401 + ... + 362566.

It is an arithmetic number, because the mean of its divisors is an integer number (15224328).

Almost surely, 2^60172261 is an apocalyptic number.

It is an amenable number.

60172261 is a deficient number, since it is larger than the sum of its proper divisors (725051).

60172261 is an equidigital number, since it uses as much as digits as its factorization.

60172261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725050.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 60172261 is about 7757.0781225923. The cubic root of 60172261 is about 391.8610611489.

Adding to 60172261 its reverse (16227106), we get a palindrome (76399367).

The spelling of 60172261 in words is "sixty million, one hundred seventy-two thousand, two hundred sixty-one".