487156061 has 4 divisors (see below), whose sum is σ = 556749792. Its totient is φ = 417562332.

The previous prime is 487156057. The next prime is 487156069. The reversal of 487156061 is 160651784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487156061 - 2² = 487156057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487156069) 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, 34796855 + ... + 34796868.

It is an arithmetic number, because the mean of its divisors is an integer number (139187448).

Almost surely, 2^487156061 is an apocalyptic number.

It is an amenable number.

487156061 is a deficient number, since it is larger than the sum of its proper divisors (69593731).

487156061 is an equidigital number, since it uses as much as digits as its factorization.

487156061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69593730.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 487156061 is about 22071.6121069577. The cubic root of 487156061 is about 786.8453272712.

The spelling of 487156061 in words is "four hundred eighty-seven million, one hundred fifty-six thousand, sixty-one".