1972331255 has 8 divisors (see below), whose sum is σ = 2373822672. Its totient is φ = 1573181568.

The previous prime is 1972331243. The next prime is 1972331261. The reversal of 1972331255 is 5521332791.

It is a happy number.

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 1972331255 - 2⁶ = 1972331191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583577 + ... + 586946.

It is an arithmetic number, because the mean of its divisors is an integer number (296727834).

Almost surely, 2^1972331255 is an apocalyptic number.

1972331255 is a deficient number, since it is larger than the sum of its proper divisors (401491417).

1972331255 is a wasteful number, since it uses less digits than its factorization.

1972331255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170865.

The product of its digits is 56700, while the sum is 38.

The square root of 1972331255 is about 44410.9362094518. The cubic root of 1972331255 is about 1254.0839767755.

The spelling of 1972331255 in words is "one billion, nine hundred seventy-two million, three hundred thirty-one thousand, two hundred fifty-five".