487648501 has 2 divisors, whose sum is σ = 487648502. Its totient is φ = 487648500.

The previous prime is 487648463. The next prime is 487648523. The reversal of 487648501 is 105846784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318622500 + 169026001 = 17850^2 + 13001^2 .

It is a cyclic number.

It is not a de Polignac number, because 487648501 - 2⁷ = 487648373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487648591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243824250 + 243824251.

It is an arithmetic number, because the mean of its divisors is an integer number (243824251).

Almost surely, 2^487648501 is an apocalyptic number.

It is an amenable number.

487648501 is a deficient number, since it is larger than the sum of its proper divisors (1).

487648501 is an equidigital number, since it uses as much as digits as its factorization.

487648501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 487648501 is about 22082.7647951972. The cubic root of 487648501 is about 787.1103646027.

The spelling of 487648501 in words is "four hundred eighty-seven million, six hundred forty-eight thousand, five hundred one".