2513237 has 4 divisors (see below), whose sum is σ = 2550816. Its totient is φ = 2475660.

The previous prime is 2513209. The next prime is 2513249. The reversal of 2513237 is 7323152.

2513237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2513237 - 2¹² = 2509141 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 (2515237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18689 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (637704).

2^2513237 is an apocalyptic number.

It is an amenable number.

2513237 is a deficient number, since it is larger than the sum of its proper divisors (37579).

2513237 is an equidigital number, since it uses as much as digits as its factorization.

2513237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37578.

The product of its digits is 1260, while the sum is 23.

The square root of 2513237 is about 1585.3192107585. The cubic root of 2513237 is about 135.9599976064.

Adding to 2513237 its reverse (7323152), we get a palindrome (9836389).

The spelling of 2513237 in words is "two million, five hundred thirteen thousand, two hundred thirty-seven".