64395403 has 2 divisors, whose sum is σ = 64395404. Its totient is φ = 64395402.

The previous prime is 64395299. The next prime is 64395433. The reversal of 64395403 is 30459346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64395403 - 2¹⁷ = 64264331 is a prime.

It is not a weakly prime, because it can be changed into another prime (64395433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32197701 + 32197702.

It is an arithmetic number, because the mean of its divisors is an integer number (32197702).

Almost surely, 2^64395403 is an apocalyptic number.

64395403 is a deficient number, since it is larger than the sum of its proper divisors (1).

64395403 is an equidigital number, since it uses as much as digits as its factorization.

64395403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 64395403 is about 8024.6746351488. The cubic root of 64395403 is about 400.8220656129.

The spelling of 64395403 in words is "sixty-four million, three hundred ninety-five thousand, four hundred three".