425033421 has 16 divisors (see below), whose sum is σ = 579576000. Its totient is φ = 276981120.

The previous prime is 425033387. The next prime is 425033423. The reversal of 425033421 is 124330524.

It is not a de Polignac number, because 425033421 - 2¹⁰ = 425032397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425033391 and 425033400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425033423) 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, 22705 + ... + 36953.

It is an arithmetic number, because the mean of its divisors is an integer number (36223500).

Almost surely, 2^425033421 is an apocalyptic number.

It is an amenable number.

425033421 is a deficient number, since it is larger than the sum of its proper divisors (154542579).

425033421 is a wasteful number, since it uses less digits than its factorization.

425033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14476.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 425033421 is about 20616.3386904659. The cubic root of 425033421 is about 751.8670054201.

Adding to 425033421 its reverse (124330524), we get a palindrome (549363945).

The spelling of 425033421 in words is "four hundred twenty-five million, thirty-three thousand, four hundred twenty-one".