424025545 has 4 divisors (see below), whose sum is σ = 508830660. Its totient is φ = 339220432.

The previous prime is 424025531. The next prime is 424025597. The reversal of 424025545 is 545520424.

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 272514064 + 151511481 = 16508^2 + 12309^2 .

It is a cyclic number.

It is not a de Polignac number, because 424025545 - 2⁷ = 424025417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42402550 + ... + 42402559.

It is an arithmetic number, because the mean of its divisors is an integer number (127207665).

Almost surely, 2^424025545 is an apocalyptic number.

It is an amenable number.

424025545 is a deficient number, since it is larger than the sum of its proper divisors (84805115).

424025545 is an equidigital number, since it uses as much as digits as its factorization.

424025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84805114.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 424025545 is about 20591.8805600654. The cubic root of 424025545 is about 751.2722376984.

Adding to 424025545 its reverse (545520424), we get a palindrome (969545969).

The spelling of 424025545 in words is "four hundred twenty-four million, twenty-five thousand, five hundred forty-five".