7455213 has 16 divisors (see below), whose sum is σ = 11203200. Its totient is φ = 4898880.

The previous prime is 7455193. The next prime is 7455223. The reversal of 7455213 is 3125547.

It is a happy number.

It is not a de Polignac number, because 7455213 - 2⁸ = 7454957 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455223) 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 15 ways as a sum of consecutive naturals, for example, 28 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (700200).

Almost surely, 2^7455213 is an apocalyptic number.

It is an amenable number.

7455213 is a deficient number, since it is larger than the sum of its proper divisors (3747987).

7455213 is a wasteful number, since it uses less digits than its factorization.

7455213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3963 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 7455213 is about 2730.4235935107. The cubic root of 7455213 is about 195.3529701694.

The spelling of 7455213 in words is "seven million, four hundred fifty-five thousand, two hundred thirteen".