87501103 has 2 divisors, whose sum is σ = 87501104. Its totient is φ = 87501102.

The previous prime is 87501101. The next prime is 87501109. The reversal of 87501103 is 30110578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87501103 - 2¹ = 87501101 is a prime.

Together with 87501101, it forms a pair of twin primes.

It is equal to p_5080534 and since 87501103 and 5080534 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87501101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43750551 + 43750552.

It is an arithmetic number, because the mean of its divisors is an integer number (43750552).

Almost surely, 2^87501103 is an apocalyptic number.

87501103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87501103 is an equidigital number, since it uses as much as digits as its factorization.

87501103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 87501103 is about 9354.2024245790. The cubic root of 87501103 is about 443.9538663075.

The spelling of 87501103 in words is "eighty-seven million, five hundred one thousand, one hundred three".