3240137 has 4 divisors (see below), whose sum is σ = 3293316. Its totient is φ = 3186960.

The previous prime is 3240131. The next prime is 3240143. The reversal of 3240137 is 7310423.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3240131) and next prime (3240143).

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 1692601 = 1244^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240137 - 2⁶ = 3240073 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 (3240131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26498 + ... + 26619.

It is an arithmetic number, because the mean of its divisors is an integer number (823329).

Almost surely, 2^3240137 is an apocalyptic number.

It is an amenable number.

3240137 is a deficient number, since it is larger than the sum of its proper divisors (53179).

3240137 is an equidigital number, since it uses as much as digits as its factorization.

3240137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53178.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3240137 is about 1800.0380551533. The cubic root of 3240137 is about 147.9748100542.

The spelling of 3240137 in words is "three million, two hundred forty thousand, one hundred thirty-seven".