487492551 has 24 divisors (see below), whose sum is σ = 866654880. Its totient is φ = 257138496.

The previous prime is 487492513. The next prime is 487492553. The reversal of 487492551 is 155294784.

487492551 is a `hidden beast` number, since 4 + 8 + 7 + 4 + 92 + 551 = 666.

It is not a de Polignac number, because 487492551 - 2⁶ = 487492487 is a prime.

It is a super-3 number, since 3×487492551³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 487492497 and 487492506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487492553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296796 + ... + 298433.

It is an arithmetic number, because the mean of its divisors is an integer number (36110620).

Almost surely, 2^487492551 is an apocalyptic number.

487492551 is a deficient number, since it is larger than the sum of its proper divisors (379162329).

487492551 is a wasteful number, since it uses less digits than its factorization.

487492551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595255 (or 595252 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 487492551 is about 22079.2334785427. The cubic root of 487492551 is about 787.0264496868.

The spelling of 487492551 in words is "four hundred eighty-seven million, four hundred ninety-two thousand, five hundred fifty-one".