274898357 has 2 divisors, whose sum is σ = 274898358. Its totient is φ = 274898356.

The previous prime is 274898257. The next prime is 274898411. The reversal of 274898357 is 753898472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224970001 + 49928356 = 14999^2 + 7066^2 .

It is a cyclic number.

It is not a de Polignac number, because 274898357 - 2¹⁶ = 274832821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274898299 and 274898308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274898257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137449178 + 137449179.

It is an arithmetic number, because the mean of its divisors is an integer number (137449179).

Almost surely, 2^274898357 is an apocalyptic number.

It is an amenable number.

274898357 is a deficient number, since it is larger than the sum of its proper divisors (1).

274898357 is an equidigital number, since it uses as much as digits as its factorization.

274898357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 274898357 is about 16580.0590167828. The cubic root of 274898357 is about 650.2155947549.

The spelling of 274898357 in words is "two hundred seventy-four million, eight hundred ninety-eight thousand, three hundred fifty-seven".