52192649 has 2 divisors, whose sum is σ = 52192650. Its totient is φ = 52192648.

The previous prime is 52192619. The next prime is 52192687. The reversal of 52192649 is 94629125.

It is an a-pointer prime, because the next prime (52192687) can be obtained adding 52192649 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28815424 + 23377225 = 5368^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 52192649 - 2²⁰ = 51144073 is a prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (52192619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26096324 + 26096325.

It is an arithmetic number, because the mean of its divisors is an integer number (26096325).

Almost surely, 2^52192649 is an apocalyptic number.

It is an amenable number.

52192649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52192649 is an equidigital number, since it uses as much as digits as its factorization.

52192649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 52192649 is about 7224.4480065954. The cubic root of 52192649 is about 373.7114864324.

The spelling of 52192649 in words is "fifty-two million, one hundred ninety-two thousand, six hundred forty-nine".