103492391 has 2 divisors, whose sum is σ = 103492392. Its totient is φ = 103492390.

The previous prime is 103492381. The next prime is 103492409. The reversal of 103492391 is 193294301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103492391 - 2¹⁴ = 103476007 is a prime.

It is a super-3 number, since 3×103492391³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103492321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51746195 + 51746196.

It is an arithmetic number, because the mean of its divisors is an integer number (51746196).

Almost surely, 2^103492391 is an apocalyptic number.

103492391 is a deficient number, since it is larger than the sum of its proper divisors (1).

103492391 is an equidigital number, since it uses as much as digits as its factorization.

103492391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 103492391 is about 10173.1210058664. The cubic root of 103492391 is about 469.5005876757.

The spelling of 103492391 in words is "one hundred three million, four hundred ninety-two thousand, three hundred ninety-one".