5061555251 has 4 divisors (see below), whose sum is σ = 5066935104. Its totient is φ = 5056175400.

The previous prime is 5061555221. The next prime is 5061555253. The reversal of 5061555251 is 1525551605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1525551605 = 5 ⋅305110321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5061555251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5061555253) 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, 2688515 + ... + 2690396.

It is an arithmetic number, because the mean of its divisors is an integer number (1266733776).

Almost surely, 2^5061555251 is an apocalyptic number.

5061555251 is a deficient number, since it is larger than the sum of its proper divisors (5379853).

5061555251 is an equidigital number, since it uses as much as digits as its factorization.

5061555251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379852.

The product of its (nonzero) digits is 37500, while the sum is 35.

The square root of 5061555251 is about 71144.6080247829. The cubic root of 5061555251 is about 1716.9645455667.

The spelling of 5061555251 in words is "five billion, sixty-one million, five hundred fifty-five thousand, two hundred fifty-one".