4172276038225 has 27 divisors (see below), whose sum is σ = 5358555196657. Its totient is φ = 3222494787680.

The previous prime is 4172276038193. The next prime is 4172276038277. The reversal of 4172276038225 is 5228306722714.

The square root of 4172276038225 is 2042615.

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

It can be written as a sum of positive squares in 4 ways, for example, as 57350191441 + 4114925846784 = 239479^2 + 2028528^2 .

It is not a de Polignac number, because 4172276038225 - 2⁵ = 4172276038193 is a prime.

It is a super-2 number, since 2×4172276038225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 296172132 + ... + 296186218.

Almost surely, 2^{4172276038225} is an apocalyptic number.

4172276038225 is the 2042615-th square number.

4172276038225 is the 1021308-th centered octagonal number.

It is an amenable number.

4172276038225 is a deficient number, since it is larger than the sum of its proper divisors (1186279158432).

4172276038225 is an frugal number, since it uses more digits than its factorization.

4172276038225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242 (or 14121 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

Multiplying 4172276038225 by its sum of digits (49), we get a square (204441525873025 = 14298305²).

The spelling of 4172276038225 in words is "four trillion, one hundred seventy-two billion, two hundred seventy-six million, thirty-eight thousand, two hundred twenty-five".