5231540402 has 8 divisors (see below), whose sum is σ = 8560702512. Its totient is φ = 2377972900.

The previous prime is 5231540333. The next prime is 5231540429. The reversal of 5231540402 is 2040451325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118898624 + ... + 118898667.

It is an arithmetic number, because the mean of its divisors is an integer number (1070087814).

Almost surely, 2^5231540402 is an apocalyptic number.

5231540402 is a deficient number, since it is larger than the sum of its proper divisors (3329162110).

5231540402 is a wasteful number, since it uses less digits than its factorization.

5231540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237797304.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5231540402 is about 72329.3882318937. The cubic root of 5231540402 is about 1735.9739127034.

Adding to 5231540402 its reverse (2040451325), we get a palindrome (7271991727).

The spelling of 5231540402 in words is "five billion, two hundred thirty-one million, five hundred forty thousand, four hundred two".