64230451 has 2 divisors, whose sum is σ = 64230452. Its totient is φ = 64230450.

The previous prime is 64230379. The next prime is 64230457. The reversal of 64230451 is 15403246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64230451 - 2⁷ = 64230323 is a prime.

It is not a weakly prime, because it can be changed into another prime (64230457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32115225 + 32115226.

It is an arithmetic number, because the mean of its divisors is an integer number (32115226).

Almost surely, 2^64230451 is an apocalyptic number.

64230451 is a deficient number, since it is larger than the sum of its proper divisors (1).

64230451 is an equidigital number, since it uses as much as digits as its factorization.

64230451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64230451 is about 8014.3902450530. The cubic root of 64230451 is about 400.4795311450.

Adding to 64230451 its reverse (15403246), we get a palindrome (79633697).

The spelling of 64230451 in words is "sixty-four million, two hundred thirty thousand, four hundred fifty-one".