5203654421 has 6 divisors (see below), whose sum is σ = 6053230710. Its totient is φ = 4460275176.

The previous prime is 5203654367. The next prime is 5203654429. The reversal of 5203654421 is 1244563025.

It can be written as a sum of positive squares in only one way, i.e., 5196391396 + 7263025 = 72086^2 + 2695^2 .

It is not a de Polignac number, because 5203654421 - 2¹⁸ = 5203392277 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 (5203654429) 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 in 5 ways as a sum of consecutive naturals, for example, 53098466 + ... + 53098563.

It is an arithmetic number, because the mean of its divisors is an integer number (1008871785).

Almost surely, 2^5203654421 is an apocalyptic number.

It is an amenable number.

5203654421 is a deficient number, since it is larger than the sum of its proper divisors (849576289).

5203654421 is a wasteful number, since it uses less digits than its factorization.

5203654421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106197043 (or 106197036 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 5203654421 is about 72136.3599095491. The cubic root of 5203654421 is about 1732.8839621049.

The spelling of 5203654421 in words is "five billion, two hundred three million, six hundred fifty-four thousand, four hundred twenty-one".