699504541 has 2 divisors, whose sum is σ = 699504542. Its totient is φ = 699504540.

The previous prime is 699504511. The next prime is 699504577. The reversal of 699504541 is 145405996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594872100 + 104632441 = 24390^2 + 10229^2 .

It is a cyclic number.

It is not a de Polignac number, because 699504541 - 2¹¹ = 699502493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699504511) 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 as a sum of consecutive naturals, namely, 349752270 + 349752271.

It is an arithmetic number, because the mean of its divisors is an integer number (349752271).

Almost surely, 2^699504541 is an apocalyptic number.

It is an amenable number.

699504541 is a deficient number, since it is larger than the sum of its proper divisors (1).

699504541 is an equidigital number, since it uses as much as digits as its factorization.

699504541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 699504541 is about 26448.1481582360. The cubic root of 699504541 is about 887.6944665706.

The spelling of 699504541 in words is "six hundred ninety-nine million, five hundred four thousand, five hundred forty-one".