116535421 has 2 divisors, whose sum is σ = 116535422. Its totient is φ = 116535420.

The previous prime is 116535409. The next prime is 116535451. The reversal of 116535421 is 124535611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109956196 + 6579225 = 10486^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 116535421 - 2⁵ = 116535389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116535421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116535401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58267710 + 58267711.

It is an arithmetic number, because the mean of its divisors is an integer number (58267711).

Almost surely, 2^116535421 is an apocalyptic number.

It is an amenable number.

116535421 is a deficient number, since it is larger than the sum of its proper divisors (1).

116535421 is an equidigital number, since it uses as much as digits as its factorization.

116535421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 116535421 is about 10795.1572938980. The cubic root of 116535421 is about 488.4491031057.

The spelling of 116535421 in words is "one hundred sixteen million, five hundred thirty-five thousand, four hundred twenty-one".