2239537 has 2 divisors, whose sum is σ = 2239538. Its totient is φ = 2239536.

The previous prime is 2239519. The next prime is 2239541. The reversal of 2239537 is 7359322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 1521 = 1496^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239537 - 2¹⁵ = 2206769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2239499 and 2239508.

It is not a weakly prime, because it can be changed into another prime (2239577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119768 + 1119769.

It is an arithmetic number, because the mean of its divisors is an integer number (1119769).

2^2239537 is an apocalyptic number.

It is an amenable number.

2239537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239537 is an equidigital number, since it uses as much as digits as its factorization.

2239537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 31.

The square root of 2239537 is about 1496.5082692722. The cubic root of 2239537 is about 130.8336368834.

The spelling of 2239537 in words is "two million, two hundred thirty-nine thousand, five hundred thirty-seven".