7213603 has 2 divisors, whose sum is σ = 7213604. Its totient is φ = 7213602.

The previous prime is 7213601. The next prime is 7213621. The reversal of 7213603 is 3063127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7213603 - 2¹ = 7213601 is a prime.

Together with 7213601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7213601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606801 + 3606802.

It is an arithmetic number, because the mean of its divisors is an integer number (3606802).

Almost surely, 2^7213603 is an apocalyptic number.

7213603 is a deficient number, since it is larger than the sum of its proper divisors (1).

7213603 is an equidigital number, since it uses as much as digits as its factorization.

7213603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 7213603 is about 2685.8151462824. The cubic root of 7213603 is about 193.2194073810.

The spelling of 7213603 in words is "seven million, two hundred thirteen thousand, six hundred three".