52209371 has 2 divisors, whose sum is σ = 52209372. Its totient is φ = 52209370.

The previous prime is 52209349. The next prime is 52209401. The reversal of 52209371 is 17390225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52209371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52209071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26104685 + 26104686.

It is an arithmetic number, because the mean of its divisors is an integer number (26104686).

Almost surely, 2^52209371 is an apocalyptic number.

52209371 is a deficient number, since it is larger than the sum of its proper divisors (1).

52209371 is an equidigital number, since it uses as much as digits as its factorization.

52209371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 52209371 is about 7225.6052341655. The cubic root of 52209371 is about 373.7513933051.

Adding to 52209371 its reverse (17390225), we get a palindrome (69599596).

The spelling of 52209371 in words is "fifty-two million, two hundred nine thousand, three hundred seventy-one".