425431441 has 4 divisors (see below), whose sum is σ = 431781232. Its totient is φ = 419081652.

The previous prime is 425431417. The next prime is 425431499. The reversal of 425431441 is 144134524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425431441 - 2⁷ = 425431313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425431841) 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, 3174795 + ... + 3174928.

It is an arithmetic number, because the mean of its divisors is an integer number (107945308).

Almost surely, 2^425431441 is an apocalyptic number.

It is an amenable number.

425431441 is a deficient number, since it is larger than the sum of its proper divisors (6349791).

425431441 is an equidigital number, since it uses as much as digits as its factorization.

425431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349790.

The product of its digits is 7680, while the sum is 28.

The square root of 425431441 is about 20625.9894550540. The cubic root of 425431441 is about 752.1016259828.

Adding to 425431441 its reverse (144134524), we get a palindrome (569565965).

The spelling of 425431441 in words is "four hundred twenty-five million, four hundred thirty-one thousand, four hundred forty-one".