274421573 has 2 divisors, whose sum is σ = 274421574. Its totient is φ = 274421572.

The previous prime is 274421513. The next prime is 274421593. The reversal of 274421573 is 375124472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269550724 + 4870849 = 16418^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 274421573 - 2¹⁴ = 274405189 is a prime.

It is equal to p_14939054 and since 274421573 and 14939054 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274421513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137210786 + 137210787.

It is an arithmetic number, because the mean of its divisors is an integer number (137210787).

Almost surely, 2^274421573 is an apocalyptic number.

It is an amenable number.

274421573 is a deficient number, since it is larger than the sum of its proper divisors (1).

274421573 is an equidigital number, since it uses as much as digits as its factorization.

274421573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 35.

The square root of 274421573 is about 16565.6745410502. The cubic root of 274421573 is about 649.8394656806.

The spelling of 274421573 in words is "two hundred seventy-four million, four hundred twenty-one thousand, five hundred seventy-three".