425431461 has 16 divisors (see below), whose sum is σ = 698144384. Its totient is φ = 224403264.

The previous prime is 425431417. The next prime is 425431499. The reversal of 425431461 is 164134524.

It is not a de Polignac number, because 425431461 - 2⁷ = 425431333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425431561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778906 + ... + 779451.

It is an arithmetic number, because the mean of its divisors is an integer number (43634024).

Almost surely, 2^425431461 is an apocalyptic number.

It is an amenable number.

425431461 is a deficient number, since it is larger than the sum of its proper divisors (272712923).

425431461 is a wasteful number, since it uses less digits than its factorization.

425431461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558380.

The product of its digits is 11520, while the sum is 30.

The square root of 425431461 is about 20625.9899398792. The cubic root of 425431461 is about 752.1016377685.

Adding to 425431461 its reverse (164134524), we get a palindrome (589565985).

The spelling of 425431461 in words is "four hundred twenty-five million, four hundred thirty-one thousand, four hundred sixty-one".