355776061 has 2 divisors, whose sum is σ = 355776062. Its totient is φ = 355776060.

The previous prime is 355776049. The next prime is 355776073. The reversal of 355776061 is 160677553.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (355776049) and next prime (355776073).

It can be written as a sum of positive squares in only one way, i.e., 246176100 + 109599961 = 15690^2 + 10469^2 .

It is an emirp because it is prime and its reverse (160677553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355776061 - 2⁹ = 355775549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355776361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177888030 + 177888031.

It is an arithmetic number, because the mean of its divisors is an integer number (177888031).

Almost surely, 2^355776061 is an apocalyptic number.

It is an amenable number.

355776061 is a deficient number, since it is larger than the sum of its proper divisors (1).

355776061 is an equidigital number, since it uses as much as digits as its factorization.

355776061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 355776061 is about 18862.0269589458. The cubic root of 355776061 is about 708.5854671073.

The spelling of 355776061 in words is "three hundred fifty-five million, seven hundred seventy-six thousand, sixty-one".