75461651 has 2 divisors, whose sum is σ = 75461652. Its totient is φ = 75461650.

The previous prime is 75461641. The next prime is 75461653. The reversal of 75461651 is 15616457.

It is a strong prime.

It is an emirp because it is prime and its reverse (15616457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75461651 - 2¹⁸ = 75199507 is a prime.

It is a Sophie Germain prime.

Together with 75461653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75461653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37730825 + 37730826.

It is an arithmetic number, because the mean of its divisors is an integer number (37730826).

Almost surely, 2^75461651 is an apocalyptic number.

75461651 is a deficient number, since it is larger than the sum of its proper divisors (1).

75461651 is an equidigital number, since it uses as much as digits as its factorization.

75461651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 75461651 is about 8686.8665812248. The cubic root of 75461651 is about 422.5798334255.

The spelling of 75461651 in words is "seventy-five million, four hundred sixty-one thousand, six hundred fifty-one".