425431001 has 8 divisors (see below), whose sum is σ = 451084104. Its totient is φ = 399847680.

The previous prime is 425430991. The next prime is 425431003. The reversal of 425431001 is 100134524.

It can be written as a sum of positive squares in 4 ways, for example, as 245736976 + 179694025 = 15676^2 + 13405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425431001 - 2⁶ = 425430937 is a prime.

It is a super-2 number, since 2×425431001² = 361983073223724002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425431003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4610 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (56385513).

Almost surely, 2^425431001 is an apocalyptic number.

It is an amenable number.

425431001 is a deficient number, since it is larger than the sum of its proper divisors (25653103).

425431001 is a wasteful number, since it uses less digits than its factorization.

425431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34891.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 425431001 is about 20625.9787888963. The cubic root of 425431001 is about 752.1013666971.

Adding to 425431001 its reverse (100134524), we get a palindrome (525565525).

The spelling of 425431001 in words is "four hundred twenty-five million, four hundred thirty-one thousand, one".