425052421 has 8 divisors (see below), whose sum is σ = 433382400. Its totient is φ = 416734032.

The previous prime is 425052403. The next prime is 425052451. The reversal of 425052421 is 124250524.

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 425052421 - 2⁷ = 425052293 is a prime.

It is a super-2 number, since 2×425052421² = 361339121195922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425052451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125476 + ... + 128818.

It is an arithmetic number, because the mean of its divisors is an integer number (54172800).

Almost surely, 2^425052421 is an apocalyptic number.

It is an amenable number.

425052421 is a deficient number, since it is larger than the sum of its proper divisors (8329979).

425052421 is a wasteful number, since it uses less digits than its factorization.

425052421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 425052421 is about 20616.7994848861. The cubic root of 425052421 is about 751.8782086648.

The spelling of 425052421 in words is "four hundred twenty-five million, fifty-two thousand, four hundred twenty-one".