235551306061 has 2 divisors, whose sum is σ = 235551306062. Its totient is φ = 235551306060.

The previous prime is 235551305999. The next prime is 235551306091. The reversal of 235551306061 is 160603155532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207930528036 + 27620778025 = 455994^2 + 166195^2 .

It is a cyclic number.

It is not a de Polignac number, because 235551306061 - 2⁷ = 235551305933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235551306061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235551306091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117775653030 + 117775653031.

It is an arithmetic number, because the mean of its divisors is an integer number (117775653031).

Almost surely, 2^235551306061 is an apocalyptic number.

It is an amenable number.

235551306061 is a deficient number, since it is larger than the sum of its proper divisors (1).

235551306061 is an equidigital number, since it uses as much as digits as its factorization.

235551306061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 235551306061 in words is "two hundred thirty-five billion, five hundred fifty-one million, three hundred six thousand, sixty-one".