5151013531 has 4 divisors (see below), whose sum is σ = 5158830600. Its totient is φ = 5143196464.

The previous prime is 5151013523. The next prime is 5151013541. The reversal of 5151013531 is 1353101515.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5151013531 - 2³ = 5151013523 is a prime.

It is a super-2 number, since 2×5151013531² = 53065880793090175922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5151013496 and 5151013505.

It is not an unprimeable number, because it can be changed into a prime (5151013501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907546 + ... + 3908863.

It is an arithmetic number, because the mean of its divisors is an integer number (1289707650).

Almost surely, 2^5151013531 is an apocalyptic number.

5151013531 is a deficient number, since it is larger than the sum of its proper divisors (7817069).

5151013531 is an equidigital number, since it uses as much as digits as its factorization.

5151013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817068.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 5151013531 is about 71770.5617297231. The cubic root of 5151013531 is about 1727.0207816658.

The spelling of 5151013531 in words is "five billion, one hundred fifty-one million, thirteen thousand, five hundred thirty-one".