901357081 has 2 divisors, whose sum is σ = 901357082. Its totient is φ = 901357080.

The previous prime is 901357021. The next prime is 901357103. The reversal of 901357081 is 180753109.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583947225 + 317409856 = 24165^2 + 17816^2 .

It is a cyclic number.

It is not a de Polignac number, because 901357081 - 2¹¹ = 901355033 is a prime.

It is a super-2 number, since 2×901357081² = 1624889174937681122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (901357001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450678540 + 450678541.

It is an arithmetic number, because the mean of its divisors is an integer number (450678541).

Almost surely, 2^901357081 is an apocalyptic number.

It is an amenable number.

901357081 is a deficient number, since it is larger than the sum of its proper divisors (1).

901357081 is an equidigital number, since it uses as much as digits as its factorization.

901357081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 901357081 is about 30022.6094968442. The cubic root of 901357081 is about 965.9744176763.

The spelling of 901357081 in words is "nine hundred one million, three hundred fifty-seven thousand, eighty-one".