235113409 has 2 divisors, whose sum is σ = 235113410. Its totient is φ = 235113408.

The previous prime is 235113397. The next prime is 235113413. The reversal of 235113409 is 904311532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189145009 + 45968400 = 13753^2 + 6780^2 .

It is a cyclic number.

It is not a de Polignac number, because 235113409 - 2⁵ = 235113377 is a prime.

It is a super-3 number, since 3×235113409³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (235113709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117556704 + 117556705.

It is an arithmetic number, because the mean of its divisors is an integer number (117556705).

Almost surely, 2^235113409 is an apocalyptic number.

It is an amenable number.

235113409 is a deficient number, since it is larger than the sum of its proper divisors (1).

235113409 is an equidigital number, since it uses as much as digits as its factorization.

235113409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 235113409 is about 15333.4082643097. The cubic root of 235113409 is about 617.1998324757.

The spelling of 235113409 in words is "two hundred thirty-five million, one hundred thirteen thousand, four hundred nine".