487621903 has 2 divisors, whose sum is σ = 487621904. Its totient is φ = 487621902.

The previous prime is 487621867. The next prime is 487621907. The reversal of 487621903 is 309126784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487621903 - 2²¹ = 485524751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487621907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243810951 + 243810952.

It is an arithmetic number, because the mean of its divisors is an integer number (243810952).

Almost surely, 2^487621903 is an apocalyptic number.

487621903 is a deficient number, since it is larger than the sum of its proper divisors (1).

487621903 is an equidigital number, since it uses as much as digits as its factorization.

487621903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 487621903 is about 22082.1625526125. The cubic root of 487621903 is about 787.0960537879.

The spelling of 487621903 in words is "four hundred eighty-seven million, six hundred twenty-one thousand, nine hundred three".