75150389 has 2 divisors, whose sum is σ = 75150390. Its totient is φ = 75150388.

The previous prime is 75150371. The next prime is 75150419. The reversal of 75150389 is 98305157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 4169764 = 8425^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 75150389 - 2¹² = 75146293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75150329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37575194 + 37575195.

It is an arithmetic number, because the mean of its divisors is an integer number (37575195).

Almost surely, 2^75150389 is an apocalyptic number.

It is an amenable number.

75150389 is a deficient number, since it is larger than the sum of its proper divisors (1).

75150389 is an equidigital number, since it uses as much as digits as its factorization.

75150389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 75150389 is about 8668.9324025511. The cubic root of 75150389 is about 421.9980177800.

The spelling of 75150389 in words is "seventy-five million, one hundred fifty thousand, three hundred eighty-nine".