487922131 has 4 divisors (see below), whose sum is σ = 489151552. Its totient is φ = 486692712.

The previous prime is 487922101. The next prime is 487922137. The reversal of 487922131 is 131229784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487922131 - 2⁷ = 487922003 is a prime.

It is a super-2 number, since 2×487922131² = 476136011839162322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487922137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614115 + ... + 614908.

It is an arithmetic number, because the mean of its divisors is an integer number (122287888).

Almost surely, 2^487922131 is an apocalyptic number.

487922131 is a deficient number, since it is larger than the sum of its proper divisors (1229421).

487922131 is a wasteful number, since it uses less digits than its factorization.

487922131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229420.

The product of its digits is 24192, while the sum is 37.

The square root of 487922131 is about 22088.9594820580. The cubic root of 487922131 is about 787.2575585597.

The spelling of 487922131 in words is "four hundred eighty-seven million, nine hundred twenty-two thousand, one hundred thirty-one".