751215225 has 12 divisors (see below), whose sum is σ = 1242009296. Its totient is φ = 400648080.

The previous prime is 751215211. The next prime is 751215233. The reversal of 751215225 is 522512157.

751215225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 751215225 - 2⁴ = 751215209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 751215192 and 751215201.

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, 5008027 + ... + 5008176.

Almost surely, 2^751215225 is an apocalyptic number.

751215225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

751215225 is a deficient number, since it is larger than the sum of its proper divisors (490794071).

751215225 is a wasteful number, since it uses less digits than its factorization.

751215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016216 (or 10016211 counting only the distinct ones).

The product of its digits is 7000, while the sum is 30.

The square root of 751215225 is about 27408.3057666832. The cubic root of 751215225 is about 909.0507450362.

The spelling of 751215225 in words is "seven hundred fifty-one million, two hundred fifteen thousand, two hundred twenty-five".