5151235042 has 16 divisors (see below), whose sum is σ = 8335741752. Its totient is φ = 2378371840.

The previous prime is 5151235031. The next prime is 5151235049. The reversal of 5151235042 is 2405321515.

It can be written as a sum of positive squares in 4 ways, for example, as 3900127401 + 1251107641 = 62451^2 + 35371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5151235042.

It is not an unprimeable number, because it can be changed into a prime (5151235049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427509 + ... + 1431112.

Almost surely, 2^5151235042 is an apocalyptic number.

5151235042 is a deficient number, since it is larger than the sum of its proper divisors (3184506710).

5151235042 is a wasteful number, since it uses less digits than its factorization.

5151235042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858693.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5151235042 is about 71772.1049015563. The cubic root of 5151235042 is about 1727.0455372221.

Adding to 5151235042 its reverse (2405321515), we get a palindrome (7556556557).

The spelling of 5151235042 in words is "five billion, one hundred fifty-one million, two hundred thirty-five thousand, forty-two".