421414025 has 12 divisors (see below), whose sum is σ = 523366800. Its totient is φ = 336606480.

The previous prime is 421414013. The next prime is 421414057. The reversal of 421414025 is 520414124.

It is not a de Polignac number, because 421414025 - 2⁶ = 421413961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3686 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (43613900).

Almost surely, 2^421414025 is an apocalyptic number.

It is an amenable number.

421414025 is a deficient number, since it is larger than the sum of its proper divisors (101952775).

421414025 is a wasteful number, since it uses less digits than its factorization.

421414025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26248 (or 26243 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 421414025 is about 20528.3712213122. The cubic root of 421414025 is about 749.7267300731.

Adding to 421414025 its reverse (520414124), we get a palindrome (941828149).

Subtracting 421414025 from its reverse (520414124), we obtain a palindrome (99000099).

The spelling of 421414025 in words is "four hundred twenty-one million, four hundred fourteen thousand, twenty-five".