5151001397 has 2 divisors, whose sum is σ = 5151001398. Its totient is φ = 5151001396.

The previous prime is 5151001381. The next prime is 5151001451. The reversal of 5151001397 is 7931001515.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4417729156 + 733272241 = 66466^2 + 27079^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151001397 - 2⁴ = 5151001381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5151001307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575500698 + 2575500699.

It is an arithmetic number, because the mean of its divisors is an integer number (2575500699).

Almost surely, 2^5151001397 is an apocalyptic number.

It is an amenable number.

5151001397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151001397 is an equidigital number, since it uses as much as digits as its factorization.

5151001397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 5151001397 is about 71770.4771964072. The cubic root of 5151001397 is about 1727.0194255775.

The spelling of 5151001397 in words is "five billion, one hundred fifty-one million, one thousand, three hundred ninety-seven".