2309029 has 2 divisors, whose sum is σ = 2309030. Its totient is φ = 2309028.

The previous prime is 2309023. The next prime is 2309077. The reversal of 2309029 is 9209032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 65025 = 1498^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309029 - 2⁹ = 2308517 is a prime.

It is a super-2 number, since 2×2309029² = 10663229845682, which contains 22 as substring.

2309029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2308994 and 2309012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2309023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154514 + 1154515.

It is an arithmetic number, because the mean of its divisors is an integer number (1154515).

2^2309029 is an apocalyptic number.

It is an amenable number.

2309029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309029 is an equidigital number, since it uses as much as digits as its factorization.

2309029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2309029 is about 1519.5489462337. The cubic root of 2309029 is about 132.1731161427.

The spelling of 2309029 in words is "two million, three hundred nine thousand, twenty-nine".