252726349 has 2 divisors, whose sum is σ = 252726350. Its totient is φ = 252726348.

The previous prime is 252726319. The next prime is 252726361. The reversal of 252726349 is 943627252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131836324 + 120890025 = 11482^2 + 10995^2 .

It is a cyclic number.

It is not a de Polignac number, because 252726349 - 2¹³ = 252718157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252726319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126363174 + 126363175.

It is an arithmetic number, because the mean of its divisors is an integer number (126363175).

Almost surely, 2^252726349 is an apocalyptic number.

It is an amenable number.

252726349 is a deficient number, since it is larger than the sum of its proper divisors (1).

252726349 is an equidigital number, since it uses as much as digits as its factorization.

252726349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 252726349 is about 15897.3692477718. The cubic root of 252726349 is about 632.2422402659.

The spelling of 252726349 in words is "two hundred fifty-two million, seven hundred twenty-six thousand, three hundred forty-nine".