487931113 has 2 divisors, whose sum is σ = 487931114. Its totient is φ = 487931112.

The previous prime is 487931107. The next prime is 487931137. The reversal of 487931113 is 311139784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314956009 + 172975104 = 17747^2 + 13152^2 .

It is a cyclic number.

It is not a de Polignac number, because 487931113 - 2¹³ = 487922921 is a prime.

It is not a weakly prime, because it can be changed into another prime (487931183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243965556 + 243965557.

It is an arithmetic number, because the mean of its divisors is an integer number (243965557).

Almost surely, 2^487931113 is an apocalyptic number.

It is an amenable number.

487931113 is a deficient number, since it is larger than the sum of its proper divisors (1).

487931113 is an equidigital number, since it uses as much as digits as its factorization.

487931113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 487931113 is about 22089.1627953619. The cubic root of 487931113 is about 787.2623893196.

The spelling of 487931113 in words is "four hundred eighty-seven million, nine hundred thirty-one thousand, one hundred thirteen".