5212135401 has 32 divisors (see below), whose sum is σ = 7669779840. Its totient is φ = 3122112000.

The previous prime is 5212135387. The next prime is 5212135429. The reversal of 5212135401 is 1045312125.

It is a happy number.

It is not a de Polignac number, because 5212135401 - 2⁶ = 5212135337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5212135441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2695431 + ... + 2697363.

It is an arithmetic number, because the mean of its divisors is an integer number (239680620).

Almost surely, 2^5212135401 is an apocalyptic number.

It is an amenable number.

5212135401 is a deficient number, since it is larger than the sum of its proper divisors (2457644439).

5212135401 is a wasteful number, since it uses less digits than its factorization.

5212135401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5212135401 is about 72195.1203406435. The cubic root of 5212135401 is about 1733.8248763195.

Adding to 5212135401 its reverse (1045312125), we get a palindrome (6257447526).

The spelling of 5212135401 in words is "five billion, two hundred twelve million, one hundred thirty-five thousand, four hundred one".