3971553001 has 8 divisors (see below), whose sum is σ = 4318583360. Its totient is φ = 3630454992.

The previous prime is 3971552989. The next prime is 3971553011. The reversal of 3971553001 is 1003551793.

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 3971553001 - 2¹⁵ = 3971520233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3971553011) 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, 1481691 + ... + 1484368.

It is an arithmetic number, because the mean of its divisors is an integer number (539822920).

Almost surely, 2^3971553001 is an apocalyptic number.

It is an amenable number.

3971553001 is a deficient number, since it is larger than the sum of its proper divisors (347030359).

3971553001 is a wasteful number, since it uses less digits than its factorization.

3971553001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966175.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 3971553001 is about 63020.2586554514. The cubic root of 3971553001 is about 1583.6290295481.

The spelling of 3971553001 in words is "three billion, nine hundred seventy-one million, five hundred fifty-three thousand, one".