75125252 has 6 divisors (see below), whose sum is σ = 131469198. Its totient is φ = 37562624.

The previous prime is 75125251. The next prime is 75125279. The reversal of 75125252 is 25252157.

It can be written as a sum of positive squares in only one way, i.e., 74926336 + 198916 = 8656^2 + 446^2 .

It is not an unprimeable number, because it can be changed into a prime (75125251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9390653 + ... + 9390660.

It is an arithmetic number, because the mean of its divisors is an integer number (21911533).

Almost surely, 2^75125252 is an apocalyptic number.

It is an amenable number.

75125252 is a deficient number, since it is larger than the sum of its proper divisors (56343946).

75125252 is a wasteful number, since it uses less digits than its factorization.

75125252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781317 (or 18781315 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 75125252 is about 8667.4824487852. The cubic root of 75125252 is about 421.9509612611.

The spelling of 75125252 in words is "seventy-five million, one hundred twenty-five thousand, two hundred fifty-two".