503341987 has 2 divisors, whose sum is σ = 503341988. Its totient is φ = 503341986.

The previous prime is 503341931. The next prime is 503341991. The reversal of 503341987 is 789143305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503341987 - 2⁷ = 503341859 is a prime.

It is not a weakly prime, because it can be changed into another prime (503341907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251670993 + 251670994.

It is an arithmetic number, because the mean of its divisors is an integer number (251670994).

Almost surely, 2^503341987 is an apocalyptic number.

503341987 is a deficient number, since it is larger than the sum of its proper divisors (1).

503341987 is an equidigital number, since it uses as much as digits as its factorization.

503341987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 503341987 is about 22435.2844198597. The cubic root of 503341987 is about 795.4649585564.

The spelling of 503341987 in words is "five hundred three million, three hundred forty-one thousand, nine hundred eighty-seven".