698579053 has 4 divisors (see below), whose sum is σ = 699532828. Its totient is φ = 697625280.

The previous prime is 698579041. The next prime is 698579059. The reversal of 698579053 is 350975896.

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 599417289 + 99161764 = 24483^2 + 9958^2 .

It is a cyclic number.

It is not a de Polignac number, because 698579053 - 2¹³ = 698570861 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 (698579059) 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, 475788 + ... + 477253.

It is an arithmetic number, because the mean of its divisors is an integer number (174883207).

Almost surely, 2^698579053 is an apocalyptic number.

It is an amenable number.

698579053 is a deficient number, since it is larger than the sum of its proper divisors (953775).

698579053 is an equidigital number, since it uses as much as digits as its factorization.

698579053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953774.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 698579053 is about 26430.6460950163. The cubic root of 698579053 is about 887.3028021302.

The spelling of 698579053 in words is "six hundred ninety-eight million, five hundred seventy-nine thousand, fifty-three".