424995517 has 2 divisors, whose sum is σ = 424995518. Its totient is φ = 424995516.

The previous prime is 424995511. The next prime is 424995619. The reversal of 424995517 is 715599424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243796996 + 181198521 = 15614^2 + 13461^2 .

It is a cyclic number.

It is not a de Polignac number, because 424995517 - 2¹⁵ = 424962749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424995511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212497758 + 212497759.

It is an arithmetic number, because the mean of its divisors is an integer number (212497759).

Almost surely, 2^424995517 is an apocalyptic number.

It is an amenable number.

424995517 is a deficient number, since it is larger than the sum of its proper divisors (1).

424995517 is an equidigital number, since it uses as much as digits as its factorization.

424995517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 424995517 is about 20615.4193990809. The cubic root of 424995517 is about 751.8446545391.

The spelling of 424995517 in words is "four hundred twenty-four million, nine hundred ninety-five thousand, five hundred seventeen".