43225015387 has 2 divisors, whose sum is σ = 43225015388. Its totient is φ = 43225015386.

The previous prime is 43225015369. The next prime is 43225015391. The reversal of 43225015387 is 78351052234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43225015387 is a prime.

It is not a weakly prime, because it can be changed into another prime (43225015397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612507693 + 21612507694.

It is an arithmetic number, because the mean of its divisors is an integer number (21612507694).

Almost surely, 2^43225015387 is an apocalyptic number.

43225015387 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225015387 is an equidigital number, since it uses as much as digits as its factorization.

43225015387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 43225015387 in words is "forty-three billion, two hundred twenty-five million, fifteen thousand, three hundred eighty-seven".