751942225 has 12 divisors (see below), whose sum is σ = 933269260. Its totient is φ = 600998400.

The previous prime is 751942223. The next prime is 751942229. The reversal of 751942225 is 522249157.

751942225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 277922241 + 474019984 = 16671^2 + 21772^2 .

It is not a de Polignac number, because 751942225 - 2¹ = 751942223 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (751942223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14905 + ... + 41545.

Almost surely, 2^751942225 is an apocalyptic number.

It is an amenable number.

751942225 is a deficient number, since it is larger than the sum of its proper divisors (181327035).

751942225 is a wasteful number, since it uses less digits than its factorization.

751942225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780 (or 27775 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 751942225 is about 27421.5649626348. The cubic root of 751942225 is about 909.3438997327.

The spelling of 751942225 in words is "seven hundred fifty-one million, nine hundred forty-two thousand, two hundred twenty-five".