3970533531 has 32 divisors (see below), whose sum is σ = 5692135680. Its totient is φ = 2454192000.

The previous prime is 3970533467. The next prime is 3970533551. The reversal of 3970533531 is 1353350793.

3970533531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3970533531 - 2⁶ = 3970533467 is a prime.

It is a super-2 number, since 2×3970533531² = 31530273041590655922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3970533531.

It is not an unprimeable number, because it can be changed into a prime (3970533551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391256 + ... + 1394106.

It is an arithmetic number, because the mean of its divisors is an integer number (177879240).

Almost surely, 2^3970533531 is an apocalyptic number.

3970533531 is a deficient number, since it is larger than the sum of its proper divisors (1721602149).

3970533531 is a wasteful number, since it uses less digits than its factorization.

3970533531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387.

The product of its (nonzero) digits is 127575, while the sum is 39.

The square root of 3970533531 is about 63012.1697055418. The cubic root of 3970533531 is about 1583.4935157707.

The spelling of 3970533531 in words is "three billion, nine hundred seventy million, five hundred thirty-three thousand, five hundred thirty-one".