274872061 has 2 divisors, whose sum is σ = 274872062. Its totient is φ = 274872060.

The previous prime is 274872049. The next prime is 274872067. The reversal of 274872061 is 160278472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186868900 + 88003161 = 13670^2 + 9381^2 .

It is a cyclic number.

It is not a de Polignac number, because 274872061 - 2⁵ = 274872029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274872061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274872067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137436030 + 137436031.

It is an arithmetic number, because the mean of its divisors is an integer number (137436031).

Almost surely, 2^274872061 is an apocalyptic number.

It is an amenable number.

274872061 is a deficient number, since it is larger than the sum of its proper divisors (1).

274872061 is an equidigital number, since it uses as much as digits as its factorization.

274872061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 274872061 is about 16579.2659970217. The cubic root of 274872061 is about 650.1948614983.

The spelling of 274872061 in words is "two hundred seventy-four million, eight hundred seventy-two thousand, sixty-one".