95721491 has 2 divisors, whose sum is σ = 95721492. Its totient is φ = 95721490.

The previous prime is 95721427. The next prime is 95721499. The reversal of 95721491 is 19412759.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 95721491 - 2⁶ = 95721427 is a prime.

It is not a weakly prime, because it can be changed into another prime (95721499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47860745 + 47860746.

It is an arithmetic number, because the mean of its divisors is an integer number (47860746).

Almost surely, 2^95721491 is an apocalyptic number.

95721491 is a deficient number, since it is larger than the sum of its proper divisors (1).

95721491 is an equidigital number, since it uses as much as digits as its factorization.

95721491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 95721491 is about 9783.7360450903. The cubic root of 95721491 is about 457.4424719885.

The spelling of 95721491 in words is "ninety-five million, seven hundred twenty-one thousand, four hundred ninety-one".