2345129 has 2 divisors, whose sum is σ = 2345130. Its totient is φ = 2345128.

The previous prime is 2345117. The next prime is 2345131. The reversal of 2345129 is 9215432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 25600 = 1523^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345129 - 2¹² = 2341033 is a prime.

Together with 2345131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2345098 and 2345107.

It is not a weakly prime, because it can be changed into another prime (2345179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172564 + 1172565.

It is an arithmetic number, because the mean of its divisors is an integer number (1172565).

2^2345129 is an apocalyptic number.

It is an amenable number.

2345129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345129 is an equidigital number, since it uses as much as digits as its factorization.

2345129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2345129 is about 1531.3814025252. The cubic root of 2345129 is about 132.8583677053.

The spelling of 2345129 in words is "two million, three hundred forty-five thousand, one hundred twenty-nine".