153521741 has 2 divisors, whose sum is σ = 153521742. Its totient is φ = 153521740.

The previous prime is 153521699. The next prime is 153521743. The reversal of 153521741 is 147125351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146652100 + 6869641 = 12110^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 153521741 - 2¹⁴ = 153505357 is a prime.

It is a Sophie Germain prime.

Together with 153521743, 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 (153521743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76760870 + 76760871.

It is an arithmetic number, because the mean of its divisors is an integer number (76760871).

Almost surely, 2^153521741 is an apocalyptic number.

It is an amenable number.

153521741 is a deficient number, since it is larger than the sum of its proper divisors (1).

153521741 is an equidigital number, since it uses as much as digits as its factorization.

153521741 is an odious number, because the sum of its binary digits is odd.

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

The square root of 153521741 is about 12390.3890576527. The cubic root of 153521741 is about 535.4553912234.

The spelling of 153521741 in words is "one hundred fifty-three million, five hundred twenty-one thousand, seven hundred forty-one".