5345621397 has 6 divisors (see below), whose sum is σ = 7721453142. Its totient is φ = 3563747592.

The previous prime is 5345621377. The next prime is 5345621399. The reversal of 5345621397 is 7931265435.

5345621397 is a `hidden beast` number, since 5 + 345 + 6 + 213 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3584895876 + 1760725521 = 59874^2 + 41961^2 .

It is not a de Polignac number, because 5345621397 - 2⁷ = 5345621269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5345621399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296978958 + ... + 296978975.

It is an arithmetic number, because the mean of its divisors is an integer number (1286908857).

Almost surely, 2^5345621397 is an apocalyptic number.

It is an amenable number.

5345621397 is a deficient number, since it is larger than the sum of its proper divisors (2375831745).

5345621397 is a wasteful number, since it uses less digits than its factorization.

5345621397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593957939 (or 593957936 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 5345621397 is about 73113.7565510076. The cubic root of 5345621397 is about 1748.5017268076.

The spelling of 5345621397 in words is "five billion, three hundred forty-five million, six hundred twenty-one thousand, three hundred ninety-seven".