111472393 has 2 divisors, whose sum is σ = 111472394. Its totient is φ = 111472392.

The previous prime is 111472369. The next prime is 111472457. The reversal of 111472393 is 393274111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64850809 + 46621584 = 8053^2 + 6828^2 .

It is an emirp because it is prime and its reverse (393274111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111472393 - 2⁹ = 111471881 is a prime.

It is a super-2 number, since 2×111472393² = 24852188802292898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111472313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55736196 + 55736197.

It is an arithmetic number, because the mean of its divisors is an integer number (55736197).

Almost surely, 2^111472393 is an apocalyptic number.

It is an amenable number.

111472393 is a deficient number, since it is larger than the sum of its proper divisors (1).

111472393 is an equidigital number, since it uses as much as digits as its factorization.

111472393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 111472393 is about 10558.0487307078. The cubic root of 111472393 is about 481.2703516889.

The spelling of 111472393 in words is "one hundred eleven million, four hundred seventy-two thousand, three hundred ninety-three".