421025150 has 72 divisors (see below), whose sum is σ = 981109080. Its totient is φ = 133237440.

The previous prime is 421025147. The next prime is 421025159. The reversal of 421025150 is 51520124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421025159) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25241 + ... + 38459.

It is an arithmetic number, because the mean of its divisors is an integer number (13626515).

Almost surely, 2^421025150 is an apocalyptic number.

421025150 is an abundant number, since it is smaller than the sum of its proper divisors (560083930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421025150 is a wasteful number, since it uses less digits than its factorization.

421025150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 421025150 is about 20518.8973875304. The cubic root of 421025150 is about 749.4960466357.

Adding to 421025150 its reverse (51520124), we get a palindrome (472545274).

The spelling of 421025150 in words is "four hundred twenty-one million, twenty-five thousand, one hundred fifty".