487378501 has 2 divisors, whose sum is σ = 487378502. Its totient is φ = 487378500.

The previous prime is 487378477. The next prime is 487378511. The reversal of 487378501 is 105873784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483956001 + 3422500 = 21999^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 487378501 - 2²⁵ = 453824069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487378511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243689250 + 243689251.

It is an arithmetic number, because the mean of its divisors is an integer number (243689251).

Almost surely, 2^487378501 is an apocalyptic number.

It is an amenable number.

487378501 is a deficient number, since it is larger than the sum of its proper divisors (1).

487378501 is an equidigital number, since it uses as much as digits as its factorization.

487378501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 487378501 is about 22076.6505838182. The cubic root of 487378501 is about 786.9650693524.

The spelling of 487378501 in words is "four hundred eighty-seven million, three hundred seventy-eight thousand, five hundred one".