274688461 has 2 divisors, whose sum is σ = 274688462. Its totient is φ = 274688460.

The previous prime is 274688437. The next prime is 274688473. The reversal of 274688461 is 164886472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272745225 + 1943236 = 16515^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 274688461 - 2⁹ = 274687949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274688761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137344230 + 137344231.

It is an arithmetic number, because the mean of its divisors is an integer number (137344231).

Almost surely, 2^274688461 is an apocalyptic number.

It is an amenable number.

274688461 is a deficient number, since it is larger than the sum of its proper divisors (1).

274688461 is an equidigital number, since it uses as much as digits as its factorization.

274688461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 46.

The square root of 274688461 is about 16573.7280356593. The cubic root of 274688461 is about 650.0500639940.

The spelling of 274688461 in words is "two hundred seventy-four million, six hundred eighty-eight thousand, four hundred sixty-one".