690502201 has 4 divisors (see below), whose sum is σ = 700808272. Its totient is φ = 680196132.

The previous prime is 690502187. The next prime is 690502217. The reversal of 690502201 is 102205096.

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 not a de Polignac number, because 690502201 - 2²¹ = 688405049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690502231) 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, 5152935 + ... + 5153068.

It is an arithmetic number, because the mean of its divisors is an integer number (175202068).

Almost surely, 2^690502201 is an apocalyptic number.

It is an amenable number.

690502201 is a deficient number, since it is larger than the sum of its proper divisors (10306071).

690502201 is a wasteful number, since it uses less digits than its factorization.

690502201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306070.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 690502201 is about 26277.4085670562. The cubic root of 690502201 is about 883.8699232076.

Adding to 690502201 its reverse (102205096), we get a palindrome (792707297).

The spelling of 690502201 in words is "six hundred ninety million, five hundred two thousand, two hundred one".