663034253 has 8 divisors (see below), whose sum is σ = 768134208. Its totient is φ = 560529504.

The previous prime is 663034201. The next prime is 663034261. The reversal of 663034253 is 352430366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663034253 - 2⁶ = 663034189 is a prime.

It is a super-2 number, since 2×663034253² = 879228841302536018, 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 (663004253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648251 + ... + 649272.

It is an arithmetic number, because the mean of its divisors is an integer number (96016776).

Almost surely, 2^663034253 is an apocalyptic number.

It is an amenable number.

663034253 is a deficient number, since it is larger than the sum of its proper divisors (105099955).

663034253 is a wasteful number, since it uses less digits than its factorization.

663034253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297603.

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 663034253 is about 25749.4515087215. The cubic root of 663034253 is about 871.9909715735.

The spelling of 663034253 in words is "six hundred sixty-three million, thirty-four thousand, two hundred fifty-three".