103025891 has 2 divisors, whose sum is σ = 103025892. Its totient is φ = 103025890.

The previous prime is 103025887. The next prime is 103025917. The reversal of 103025891 is 198520301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103025891 - 2² = 103025887 is a prime.

It is a super-2 number, since 2×103025891² = 21228668432687762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103025821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51512945 + 51512946.

It is an arithmetic number, because the mean of its divisors is an integer number (51512946).

Almost surely, 2^103025891 is an apocalyptic number.

103025891 is a deficient number, since it is larger than the sum of its proper divisors (1).

103025891 is an equidigital number, since it uses as much as digits as its factorization.

103025891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 103025891 is about 10150.1670429604. The cubic root of 103025891 is about 468.7940882739.

The spelling of 103025891 in words is "one hundred three million, twenty-five thousand, eight hundred ninety-one".