52257229 has 2 divisors, whose sum is σ = 52257230. Its totient is φ = 52257228.

The previous prime is 52257223. The next prime is 52257251. The reversal of 52257229 is 92275225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35976004 + 16281225 = 5998^2 + 4035^2 .

It is a cyclic number.

It is not a de Polignac number, because 52257229 - 2³ = 52257221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52257194 and 52257203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52257221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128614 + 26128615.

It is an arithmetic number, because the mean of its divisors is an integer number (26128615).

Almost surely, 2^52257229 is an apocalyptic number.

It is an amenable number.

52257229 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257229 is an equidigital number, since it uses as much as digits as its factorization.

52257229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 52257229 is about 7228.9161704920. The cubic root of 52257229 is about 373.8655588353.

The spelling of 52257229 in words is "fifty-two million, two hundred fifty-seven thousand, two hundred twenty-nine".