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52325161 = 723325001
BaseRepresentation
bin1100011110011…
…0101100101001
310122110101121221
43013212230221
5101343401121
65105302041
71203520330
oct307465451
9118411557
1052325161
1127599739
1215634921
13aac0845
146d40d17
1548d8b41
hex31e6b29

52325161 has 8 divisors (see below), whose sum is σ = 62400384. Its totient is φ = 42900000.

The previous prime is 52325111. The next prime is 52325173. The reversal of 52325161 is 16152325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52325161 - 223 = 43936553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52325111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162340 + ... + 162661.

It is an arithmetic number, because the mean of its divisors is an integer number (7800048).

Almost surely, 252325161 is an apocalyptic number.

It is an amenable number.

52325161 is a deficient number, since it is larger than the sum of its proper divisors (10075223).

52325161 is a wasteful number, since it uses less digits than its factorization.

52325161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325031.

The product of its digits is 1800, while the sum is 25.

The square root of 52325161 is about 7233.6132741528. The cubic root of 52325161 is about 374.0274913781.

Adding to 52325161 its reverse (16152325), we get a palindrome (68477486).

The spelling of 52325161 in words is "fifty-two million, three hundred twenty-five thousand, one hundred sixty-one".

Divisors: 1 7 23 161 325001 2275007 7475023 52325161