52148069 has 2 divisors, whose sum is σ = 52148070. Its totient is φ = 52148068.

The previous prime is 52148053. The next prime is 52148077. The reversal of 52148069 is 96084125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 6315169 = 6770^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 52148069 - 2⁴ = 52148053 is a prime.

It is a super-2 number, since 2×52148069² = 5438842200857522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52148039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26074034 + 26074035.

It is an arithmetic number, because the mean of its divisors is an integer number (26074035).

Almost surely, 2^52148069 is an apocalyptic number.

It is an amenable number.

52148069 is a deficient number, since it is larger than the sum of its proper divisors (1).

52148069 is an equidigital number, since it uses as much as digits as its factorization.

52148069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 52148069 is about 7221.3619906497. The cubic root of 52148069 is about 373.6050550735.

The spelling of 52148069 in words is "fifty-two million, one hundred forty-eight thousand, sixty-nine".