64452403 has 2 divisors, whose sum is σ = 64452404. Its totient is φ = 64452402.

The previous prime is 64452383. The next prime is 64452407. The reversal of 64452403 is 30425446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64452403 is a prime.

It is a super-2 number, since 2×64452403² = 8308224504948818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64452407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32226201 + 32226202.

It is an arithmetic number, because the mean of its divisors is an integer number (32226202).

Almost surely, 2^64452403 is an apocalyptic number.

64452403 is a deficient number, since it is larger than the sum of its proper divisors (1).

64452403 is an equidigital number, since it uses as much as digits as its factorization.

64452403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 64452403 is about 8028.2253954408. The cubic root of 64452403 is about 400.9402941353.

Adding to 64452403 its reverse (30425446), we get a palindrome (94877849).

The spelling of 64452403 in words is "sixty-four million, four hundred fifty-two thousand, four hundred three".