989254103 has 2 divisors, whose sum is σ = 989254104. Its totient is φ = 989254102.

The previous prime is 989254031. The next prime is 989254139. The reversal of 989254103 is 301452989.

Together with previous prime (989254031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989254103 - 2¹⁶ = 989188567 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989254153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494627051 + 494627052.

It is an arithmetic number, because the mean of its divisors is an integer number (494627052).

Almost surely, 2^989254103 is an apocalyptic number.

989254103 is a deficient number, since it is larger than the sum of its proper divisors (1).

989254103 is an equidigital number, since it uses as much as digits as its factorization.

989254103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 989254103 is about 31452.4101302269. The cubic root of 989254103 is about 996.4051267050.

The spelling of 989254103 in words is "nine hundred eighty-nine million, two hundred fifty-four thousand, one hundred three".