5249620997 has 2 divisors, whose sum is σ = 5249620998. Its totient is φ = 5249620996.

The previous prime is 5249620991. The next prime is 5249621107. The reversal of 5249620997 is 7990269425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3444985636 + 1804635361 = 58694^2 + 42481^2 .

It is a cyclic number.

It is not a de Polignac number, because 5249620997 - 2¹² = 5249616901 is a prime.

It is a super-2 number, since 2×5249620997² = 55117041224286548018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5249620991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624810498 + 2624810499.

It is an arithmetic number, because the mean of its divisors is an integer number (2624810499).

Almost surely, 2^5249620997 is an apocalyptic number.

It is an amenable number.

5249620997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5249620997 is an equidigital number, since it uses as much as digits as its factorization.

5249620997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 5249620997 is about 72454.2683145721. The cubic root of 5249620997 is about 1737.9714984359.

The spelling of 5249620997 in words is "five billion, two hundred forty-nine million, six hundred twenty thousand, nine hundred ninety-seven".