4356245 has 4 divisors (see below), whose sum is σ = 5227500. Its totient is φ = 3484992.

The previous prime is 4356239. The next prime is 4356257. The reversal of 4356245 is 5426534.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5426534 = 2 ⋅2713267.

It can be written as a sum of positive squares in 2 ways, for example, as 1620529 + 2735716 = 1273^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 4356245 - 2⁶ = 4356181 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 3⁷ + 5³ + 6⁵ + 2¹³ + 4¹¹ + 5⁷ .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435620 + ... + 435629.

It is an arithmetic number, because the mean of its divisors is an integer number (1306875).

Almost surely, 2^4356245 is an apocalyptic number.

It is an amenable number.

4356245 is a deficient number, since it is larger than the sum of its proper divisors (871255).

4356245 is an equidigital number, since it uses as much as digits as its factorization.

4356245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871254.

The product of its digits is 14400, while the sum is 29.

The square root of 4356245 is about 2087.1619486758. The cubic root of 4356245 is about 163.3192708519.

The spelling of 4356245 in words is "four million, three hundred fifty-six thousand, two hundred forty-five".