7378513 has 2 divisors, whose sum is σ = 7378514. Its totient is φ = 7378512.

The previous prime is 7378463. The next prime is 7378531. The reversal of 7378513 is 3158737.

Together with next prime (7378531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5798464 + 1580049 = 2408^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 7378513 - 2¹⁷ = 7247441 is a prime.

It is not a weakly prime, because it can be changed into another prime (7378543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3689256 + 3689257.

It is an arithmetic number, because the mean of its divisors is an integer number (3689257).

Almost surely, 2^7378513 is an apocalyptic number.

It is an amenable number.

7378513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7378513 is an equidigital number, since it uses as much as digits as its factorization.

7378513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 7378513 is about 2716.3418415214. The cubic root of 7378513 is about 194.6807223202.

The spelling of 7378513 in words is "seven million, three hundred seventy-eight thousand, five hundred thirteen".