1971001675 has 72 divisors (see below), whose sum is σ = 2809418400. Its totient is φ = 1367224320.

The previous prime is 1971001673. The next prime is 1971001723. The reversal of 1971001675 is 5761001791.

It is not a de Polignac number, because 1971001675 - 2¹ = 1971001673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1971001673) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4818871 + ... + 4819279.

It is an arithmetic number, because the mean of its divisors is an integer number (39019700).

Almost surely, 2^1971001675 is an apocalyptic number.

1971001675 is a deficient number, since it is larger than the sum of its proper divisors (838416725).

1971001675 is a wasteful number, since it uses less digits than its factorization.

1971001675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 37.

The square root of 1971001675 is about 44395.9646251774. The cubic root of 1971001675 is about 1253.8021140839.

The spelling of 1971001675 in words is "one billion, nine hundred seventy-one million, one thousand, six hundred seventy-five".