4213957225 has 9 divisors (see below), whose sum is σ = 5225709463. Its totient is φ = 3370906120.

The previous prime is 4213957217. The next prime is 4213957261. The reversal of 4213957225 is 5227593124.

The square root of 4213957225 is 64915.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1517024601 + 2696932624 = 38949^2 + 51932^2 .

It is not a de Polignac number, because 4213957225 - 2³ = 4213957217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 318084 + ... + 331066.

Almost surely, 2^4213957225 is an apocalyptic number.

4213957225 is the 64915-th square number.

4213957225 is the 32458-th centered octagonal number.

It is an amenable number.

4213957225 is a deficient number, since it is larger than the sum of its proper divisors (1011752238).

4213957225 is an frugal number, since it uses more digits than its factorization.

4213957225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25976 (or 12988 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The cubic root of 4213957225 is about 1615.2138910989.

The spelling of 4213957225 in words is "four billion, two hundred thirteen million, nine hundred fifty-seven thousand, two hundred twenty-five".