5210121534 has 8 divisors (see below), whose sum is σ = 10420243080. Its totient is φ = 1736707176.

The previous prime is 5210121523. The next prime is 5210121551. The reversal of 5210121534 is 4351210125.

It is a happy number.

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

5210121534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434176789 + ... + 434176800.

It is an arithmetic number, because the mean of its divisors is an integer number (1302530385).

Almost surely, 2^5210121534 is an apocalyptic number.

5210121534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5210121534 is a wasteful number, since it uses less digits than its factorization.

5210121534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868353594.

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

The square root of 5210121534 is about 72181.1716031265. The cubic root of 5210121534 is about 1733.6015422323.

Adding to 5210121534 its reverse (4351210125), we get a palindrome (9561331659).

The spelling of 5210121534 in words is "five billion, two hundred ten million, one hundred twenty-one thousand, five hundred thirty-four".