613153253 has 4 divisors (see below), whose sum is σ = 613568748. Its totient is φ = 612737760.

The previous prime is 613153243. The next prime is 613153259. The reversal of 613153253 is 352351316.

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 474455524 + 138697729 = 21782^2 + 11777^2 .

It is a cyclic number.

It is not a de Polignac number, because 613153253 - 2¹⁸ = 612891109 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 (613153259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205526 + ... + 208487.

It is an arithmetic number, because the mean of its divisors is an integer number (153392187).

Almost surely, 2^613153253 is an apocalyptic number.

It is an amenable number.

613153253 is a deficient number, since it is larger than the sum of its proper divisors (415495).

613153253 is a wasteful number, since it uses less digits than its factorization.

613153253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415494.

The product of its digits is 8100, while the sum is 29.

The square root of 613153253 is about 24761.9315280533. The cubic root of 613153253 is about 849.5514371434.

The spelling of 613153253 in words is "six hundred thirteen million, one hundred fifty-three thousand, two hundred fifty-three".