604218253 has 4 divisors (see below), whose sum is σ = 604281600. Its totient is φ = 604154908.

The previous prime is 604218247. The next prime is 604218281. The reversal of 604218253 is 352812406.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 604218253 - 2⁹ = 604217741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604218203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14125 + ... + 37522.

It is an arithmetic number, because the mean of its divisors is an integer number (151070400).

Almost surely, 2^604218253 is an apocalyptic number.

It is an amenable number.

604218253 is a deficient number, since it is larger than the sum of its proper divisors (63347).

604218253 is a wasteful number, since it uses less digits than its factorization.

604218253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63346.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 604218253 is about 24580.8513481531. The cubic root of 604218253 is about 845.4046137148.

The spelling of 604218253 in words is "six hundred four million, two hundred eighteen thousand, two hundred fifty-three".