274961 has 2 divisors, whose sum is σ = 274962. Its totient is φ = 274960.

The previous prime is 274957. The next prime is 274973. The reversal of 274961 is 169472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 126736 = 385^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 274961 - 2² = 274957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274961.

It is not a weakly prime, because it can be changed into another prime (274931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137480 + 137481.

It is an arithmetic number, because the mean of its divisors is an integer number (137481).

2²⁷⁴⁹⁶¹ is an apocalyptic number.

It is an amenable number.

274961 is a deficient number, since it is larger than the sum of its proper divisors (1).

274961 is an equidigital number, since it uses as much as digits as its factorization.

274961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 274961 is about 524.3672377256. The cubic root of 274961 is about 65.0264980720.

The spelling of 274961 in words is "two hundred seventy-four thousand, nine hundred sixty-one".