52641709 has 2 divisors, whose sum is σ = 52641710. Its totient is φ = 52641708.

The previous prime is 52641703. The next prime is 52641727. The reversal of 52641709 is 90714625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 8684809 = 6630^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 52641709 - 2¹¹ = 52639661 is a prime.

It is a super-2 number, since 2×52641709² = 5542299052881362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52641703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320854 + 26320855.

It is an arithmetic number, because the mean of its divisors is an integer number (26320855).

Almost surely, 2^52641709 is an apocalyptic number.

It is an amenable number.

52641709 is a deficient number, since it is larger than the sum of its proper divisors (1).

52641709 is an equidigital number, since it uses as much as digits as its factorization.

52641709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52641709 is about 7255.4606332059. The cubic root of 52641709 is about 374.7802184740.

The spelling of 52641709 in words is "fifty-two million, six hundred forty-one thousand, seven hundred nine".