3975161501 has 2 divisors, whose sum is σ = 3975161502. Its totient is φ = 3975161500.

The previous prime is 3975161497. The next prime is 3975161539. The reversal of 3975161501 is 1051615793.

It is an a-pointer prime, because the next prime (3975161539) can be obtained adding 3975161501 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3774259225 + 200902276 = 61435^2 + 14174^2 .

It is a cyclic number.

It is not a de Polignac number, because 3975161501 - 2² = 3975161497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3975161581) 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 as a sum of consecutive naturals, namely, 1987580750 + 1987580751.

It is an arithmetic number, because the mean of its divisors is an integer number (1987580751).

Almost surely, 2^3975161501 is an apocalyptic number.

It is an amenable number.

3975161501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975161501 is an equidigital number, since it uses as much as digits as its factorization.

3975161501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 3975161501 is about 63048.8818378248. The cubic root of 3975161501 is about 1584.1085057556.

The spelling of 3975161501 in words is "three billion, nine hundred seventy-five million, one hundred sixty-one thousand, five hundred one".