75150461 has 2 divisors, whose sum is σ = 75150462. Its totient is φ = 75150460.

The previous prime is 75150457. The next prime is 75150463. The reversal of 75150461 is 16405157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67338436 + 7812025 = 8206^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 75150461 - 2² = 75150457 is a prime.

It is a Sophie Germain prime.

Together with 75150463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75150463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37575230 + 37575231.

It is an arithmetic number, because the mean of its divisors is an integer number (37575231).

Almost surely, 2^75150461 is an apocalyptic number.

It is an amenable number.

75150461 is a deficient number, since it is larger than the sum of its proper divisors (1).

75150461 is an equidigital number, since it uses as much as digits as its factorization.

75150461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 75150461 is about 8668.9365553106. The cubic root of 75150461 is about 421.9981525491.

The spelling of 75150461 in words is "seventy-five million, one hundred fifty thousand, four hundred sixty-one".