900761 has 2 divisors, whose sum is σ = 900762. Its totient is φ = 900760.

The previous prime is 900751. The next prime is 900763. The reversal of 900761 is 167009.

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., 883600 + 17161 = 940^2 + 131^2 .

It is an emirp because it is prime and its reverse (167009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900761 is a prime.

It is a super-2 number, since 2×900761² = 1622740758242, which contains 22 as substring.

Together with 900763, 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 (900763) 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, 450380 + 450381.

It is an arithmetic number, because the mean of its divisors is an integer number (450381).

2⁹⁰⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

900761 is a deficient number, since it is larger than the sum of its proper divisors (1).

900761 is an equidigital number, since it uses as much as digits as its factorization.

900761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 900761 is about 949.0842955186. The cubic root of 900761 is about 96.5761432914.

It can be divided in two parts, 900 and 761, that added together give a palindrome (1661).

The spelling of 900761 in words is "nine hundred thousand, seven hundred sixty-one".