276155941 has 2 divisors, whose sum is σ = 276155942. Its totient is φ = 276155940.

The previous prime is 276155903. The next prime is 276155953. The reversal of 276155941 is 149551672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205091041 + 71064900 = 14321^2 + 8430^2 .

It is a cyclic number.

It is not a de Polignac number, because 276155941 - 2²¹ = 274058789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276155894 and 276155903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276158941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138077970 + 138077971.

It is an arithmetic number, because the mean of its divisors is an integer number (138077971).

Almost surely, 2^276155941 is an apocalyptic number.

It is an amenable number.

276155941 is a deficient number, since it is larger than the sum of its proper divisors (1).

276155941 is an equidigital number, since it uses as much as digits as its factorization.

276155941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 276155941 is about 16617.9403356734. The cubic root of 276155941 is about 651.2056054854.

The spelling of 276155941 in words is "two hundred seventy-six million, one hundred fifty-five thousand, nine hundred forty-one".