75251085 has 64 divisors (see below), whose sum is σ = 153377280. Its totient is φ = 30643200.

The previous prime is 75251083. The next prime is 75251119. The reversal of 75251085 is 58015257.

75251085 = 88² + 89² + ... + 609².

It is a happy number.

It is not a de Polignac number, because 75251085 - 2¹ = 75251083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75251083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38635 + ... + 40535.

It is an arithmetic number, because the mean of its divisors is an integer number (2396520).

Almost surely, 2^75251085 is an apocalyptic number.

It is an amenable number.

75251085 is an abundant number, since it is smaller than the sum of its proper divisors (78126195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75251085 is a wasteful number, since it uses less digits than its factorization.

75251085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 75251085 is about 8674.7383245836. The cubic root of 75251085 is about 422.1864157719.

The spelling of 75251085 in words is "seventy-five million, two hundred fifty-one thousand, eighty-five".