274738901 has 2 divisors, whose sum is σ = 274738902. Its totient is φ = 274738900.

The previous prime is 274738897. The next prime is 274738903. The reversal of 274738901 is 109837472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261598276 + 13140625 = 16174^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 274738901 - 2² = 274738897 is a prime.

Together with 274738903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274738903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137369450 + 137369451.

It is an arithmetic number, because the mean of its divisors is an integer number (137369451).

Almost surely, 2^274738901 is an apocalyptic number.

It is an amenable number.

274738901 is a deficient number, since it is larger than the sum of its proper divisors (1).

274738901 is an equidigital number, since it uses as much as digits as its factorization.

274738901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 274738901 is about 16575.2496512119. The cubic root of 274738901 is about 650.0898503012.

The spelling of 274738901 in words is "two hundred seventy-four million, seven hundred thirty-eight thousand, nine hundred one".