4152540397 has 2 divisors, whose sum is σ = 4152540398. Its totient is φ = 4152540396.

The previous prime is 4152540391. The next prime is 4152540439. The reversal of 4152540397 is 7930452514.

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., 3713805481 + 438734916 = 60941^2 + 20946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4152540397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4152540391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076270198 + 2076270199.

It is an arithmetic number, because the mean of its divisors is an integer number (2076270199).

Almost surely, 2^4152540397 is an apocalyptic number.

It is an amenable number.

4152540397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4152540397 is an equidigital number, since it uses as much as digits as its factorization.

4152540397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 4152540397 is about 64440.2079217626. The cubic root of 4152540397 is about 1607.3284135838.

The spelling of 4152540397 in words is "four billion, one hundred fifty-two million, five hundred forty thousand, three hundred ninety-seven".