102952609 has 2 divisors, whose sum is σ = 102952610. Its totient is φ = 102952608.

The previous prime is 102952601. The next prime is 102952637. The reversal of 102952609 is 906259201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59721984 + 43230625 = 7728^2 + 6575^2 .

It is a cyclic number.

It is not a de Polignac number, because 102952609 - 2³ = 102952601 is a prime.

It is not a weakly prime, because it can be changed into another prime (102952601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51476304 + 51476305.

It is an arithmetic number, because the mean of its divisors is an integer number (51476305).

Almost surely, 2^102952609 is an apocalyptic number.

It is an amenable number.

102952609 is a deficient number, since it is larger than the sum of its proper divisors (1).

102952609 is an equidigital number, since it uses as much as digits as its factorization.

102952609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 102952609 is about 10146.5565094765. The cubic root of 102952609 is about 468.6829113111.

The spelling of 102952609 in words is "one hundred two million, nine hundred fifty-two thousand, six hundred nine".