5251542377 has 2 divisors, whose sum is σ = 5251542378. Its totient is φ = 5251542376.

The previous prime is 5251542341. The next prime is 5251542379. The reversal of 5251542377 is 7732451525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3404605801 + 1846936576 = 58349^2 + 42976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251542377 is a prime.

Together with 5251542379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5251542379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625771188 + 2625771189.

It is an arithmetic number, because the mean of its divisors is an integer number (2625771189).

Almost surely, 2^5251542377 is an apocalyptic number.

It is an amenable number.

5251542377 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251542377 is an equidigital number, since it uses as much as digits as its factorization.

5251542377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 41.

The square root of 5251542377 is about 72467.5263618126. The cubic root of 5251542377 is about 1738.1835071608.

The spelling of 5251542377 in words is "five billion, two hundred fifty-one million, five hundred forty-two thousand, three hundred seventy-seven".