2342509 has 12 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 2123472.

The previous prime is 2342479. The next prime is 2342513. The reversal of 2342509 is 9052432.

It is a happy number.

It is not a de Polignac number, because 2342509 - 2⁷ = 2342381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13944 + ... + 14110.

It is an arithmetic number, because the mean of its divisors is an integer number (215208).

2^2342509 is an apocalyptic number.

It is an amenable number.

2342509 is a deficient number, since it is larger than the sum of its proper divisors (239987).

2342509 is a wasteful number, since it uses less digits than its factorization.

2342509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2342509 is about 1530.5257266704. The cubic root of 2342509 is about 132.8088723992.

The spelling of 2342509 in words is "two million, three hundred forty-two thousand, five hundred nine".