7236513 has 32 divisors (see below), whose sum is σ = 11489280. Its totient is φ = 4490640.

The previous prime is 7236503. The next prime is 7236529. The reversal of 7236513 is 3156327.

It is a happy number.

7236513 is a `hidden beast` number, since 7 + 2 + 3 + 651 + 3 = 666.

It is not a de Polignac number, because 7236513 - 2⁹ = 7236001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26568 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (359040).

Almost surely, 2^7236513 is an apocalyptic number.

It is an amenable number.

7236513 is a deficient number, since it is larger than the sum of its proper divisors (4252767).

7236513 is a wasteful number, since it uses less digits than its factorization.

7236513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 7236513 is about 2690.0767647039. The cubic root of 7236513 is about 193.4237425611.

It can be divided in two parts, 72 and 36513, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 7236513 in words is "seven million, two hundred thirty-six thousand, five hundred thirteen".