698387253 has 4 divisors (see below), whose sum is σ = 931183008. Its totient is φ = 465591500.

The previous prime is 698387243. The next prime is 698387257. The reversal of 698387253 is 352783896.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698387253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698387196 and 698387205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698387257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116397873 + ... + 116397878.

It is an arithmetic number, because the mean of its divisors is an integer number (232795752).

Almost surely, 2^698387253 is an apocalyptic number.

It is an amenable number.

698387253 is a deficient number, since it is larger than the sum of its proper divisors (232795755).

698387253 is a wasteful number, since it uses less digits than its factorization.

698387253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232795754.

The product of its digits is 2177280, while the sum is 51.

The square root of 698387253 is about 26427.0174821148. The cubic root of 698387253 is about 887.2215895343.

The spelling of 698387253 in words is "six hundred ninety-eight million, three hundred eighty-seven thousand, two hundred fifty-three".