39125235601 has 9 divisors (see below), whose sum is σ = 39345830121. Its totient is φ = 38905874292.

The previous prime is 39125235593. The next prime is 39125235649. The reversal of 39125235601 is 10653252193.

The square root of 39125235601 is 197801.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 39125235601 - 2³ = 39125235593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39125235001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44109180 + ... + 44110066.

Almost surely, 2^39125235601 is an apocalyptic number.

39125235601 is the 197801-st square number.

39125235601 is the 98901-st centered octagonal number.

It is an amenable number.

39125235601 is a deficient number, since it is larger than the sum of its proper divisors (220594520).

39125235601 is an frugal number, since it uses more digits than its factorization.

39125235601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

Adding to 39125235601 its reverse (10653252193), we get a palindrome (49778487794).

The spelling of 39125235601 in words is "thirty-nine billion, one hundred twenty-five million, two hundred thirty-five thousand, six hundred one".