604992653 has 4 divisors (see below), whose sum is σ = 607177020. Its totient is φ = 602808288.

The previous prime is 604992643. The next prime is 604992697. The reversal of 604992653 is 356299406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392911684 + 212080969 = 19822^2 + 14563^2 .

It is a cyclic number.

It is not a de Polignac number, because 604992653 - 2⁴ = 604992637 is a prime.

It is a super-2 number, since 2×604992653² = 732032220367956818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604992643) 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, 1091768 + ... + 1092321.

It is an arithmetic number, because the mean of its divisors is an integer number (151794255).

Almost surely, 2^604992653 is an apocalyptic number.

It is an amenable number.

604992653 is a deficient number, since it is larger than the sum of its proper divisors (2184367).

604992653 is a wasteful number, since it uses less digits than its factorization.

604992653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184366.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 604992653 is about 24596.5984030313. The cubic root of 604992653 is about 845.7656321804.

The spelling of 604992653 in words is "six hundred four million, nine hundred ninety-two thousand, six hundred fifty-three".