5211145225 has 24 divisors (see below), whose sum is σ = 7591514112. Its totient is φ = 3498388800.

The previous prime is 5211145217. The next prime is 5211145237. The reversal of 5211145225 is 5225411125.

It is not a de Polignac number, because 5211145225 - 2³ = 5211145217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5211145193 and 5211145202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 725257 + ... + 732406.

It is an arithmetic number, because the mean of its divisors is an integer number (316313088).

Almost surely, 2^5211145225 is an apocalyptic number.

5211145225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5211145225 is a deficient number, since it is larger than the sum of its proper divisors (2380368887).

5211145225 is a wasteful number, since it uses less digits than its factorization.

5211145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457697 (or 1457692 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 5211145225 is about 72188.2623769266. The cubic root of 5211145225 is about 1733.7150748417.

It can be divided in two parts, 52111 and 45225, that added together give a cube (97336 = 46³).

The spelling of 5211145225 in words is "five billion, two hundred eleven million, one hundred forty-five thousand, two hundred twenty-five".