90953761 has 2 divisors, whose sum is σ = 90953762. Its totient is φ = 90953760.

The previous prime is 90953749. The next prime is 90953803. The reversal of 90953761 is 16735909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 38825361 = 7220^2 + 6231^2 .

It is a cyclic number.

It is not a de Polignac number, because 90953761 - 2¹⁵ = 90920993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90953701) 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, 45476880 + 45476881.

It is an arithmetic number, because the mean of its divisors is an integer number (45476881).

Almost surely, 2^90953761 is an apocalyptic number.

It is an amenable number.

90953761 is a deficient number, since it is larger than the sum of its proper divisors (1).

90953761 is an equidigital number, since it uses as much as digits as its factorization.

90953761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 90953761 is about 9536.9681240948. The cubic root of 90953761 is about 449.7179483551.

The spelling of 90953761 in words is "ninety million, nine hundred fifty-three thousand, seven hundred sixty-one".