245172606 has 32 divisors (see below), whose sum is σ = 593360640. Its totient is φ = 65928576.

The previous prime is 245172601. The next prime is 245172673. The reversal of 245172606 is 606271542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245172601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170976 + ... + 172403.

It is an arithmetic number, because the mean of its divisors is an integer number (18542520).

Almost surely, 2^245172606 is an apocalyptic number.

245172606 is an abundant number, since it is smaller than the sum of its proper divisors (348188034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245172606 is a wasteful number, since it uses less digits than its factorization.

245172606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343408.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 245172606 is about 15657.9885681399. The cubic root of 245172606 is about 625.8793858951.

It can be divided in two parts, 2451 and 72606, that added together give a palindrome (75057).

The spelling of 245172606 in words is "two hundred forty-five million, one hundred seventy-two thousand, six hundred six".