424172465 has 4 divisors (see below), whose sum is σ = 509006964. Its totient is φ = 339337968.

The previous prime is 424172461. The next prime is 424172513. The reversal of 424172465 is 564271424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161213809 + 262958656 = 12697^2 + 16216^2 .

It is a cyclic number.

It is not a de Polignac number, because 424172465 - 2² = 424172461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424172461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42417242 + ... + 42417251.

It is an arithmetic number, because the mean of its divisors is an integer number (127251741).

Almost surely, 2^424172465 is an apocalyptic number.

It is an amenable number.

424172465 is a deficient number, since it is larger than the sum of its proper divisors (84834499).

424172465 is an equidigital number, since it uses as much as digits as its factorization.

424172465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84834498.

The product of its digits is 53760, while the sum is 35.

The square root of 424172465 is about 20595.4476766105. The cubic root of 424172465 is about 751.3589967571.

The spelling of 424172465 in words is "four hundred twenty-four million, one hundred seventy-two thousand, four hundred sixty-five".