107625209 has 2 divisors, whose sum is σ = 107625210. Its totient is φ = 107625208.

The previous prime is 107625179. The next prime is 107625229. The reversal of 107625209 is 902526701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 38402809 = 8320^2 + 6197^2 .

It is an emirp because it is prime and its reverse (902526701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107625209 - 2¹² = 107621113 is a prime.

It is a super-2 number, since 2×107625209² = 23166371224587362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107625229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53812604 + 53812605.

It is an arithmetic number, because the mean of its divisors is an integer number (53812605).

Almost surely, 2^107625209 is an apocalyptic number.

It is an amenable number.

107625209 is a deficient number, since it is larger than the sum of its proper divisors (1).

107625209 is an equidigital number, since it uses as much as digits as its factorization.

107625209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 107625209 is about 10374.2570336386. The cubic root of 107625209 is about 475.6688033998.

The spelling of 107625209 in words is "one hundred seven million, six hundred twenty-five thousand, two hundred nine".