235981373 has 2 divisors, whose sum is σ = 235981374. Its totient is φ = 235981372.

The previous prime is 235981307. The next prime is 235981391. The reversal of 235981373 is 373189532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 104489284 = 11467^2 + 10222^2 .

It is a cyclic number.

It is not a de Polignac number, because 235981373 - 2¹² = 235977277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235981373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235981873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117990686 + 117990687.

It is an arithmetic number, because the mean of its divisors is an integer number (117990687).

Almost surely, 2^235981373 is an apocalyptic number.

It is an amenable number.

235981373 is a deficient number, since it is larger than the sum of its proper divisors (1).

235981373 is an equidigital number, since it uses as much as digits as its factorization.

235981373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 235981373 is about 15361.6852265629. The cubic root of 235981373 is about 617.9584016644.

The spelling of 235981373 in words is "two hundred thirty-five million, nine hundred eighty-one thousand, three hundred seventy-three".