90041761 has 2 divisors, whose sum is σ = 90041762. Its totient is φ = 90041760.

The previous prime is 90041737. The next prime is 90041767. The reversal of 90041761 is 16714009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58232161 + 31809600 = 7631^2 + 5640^2 .

It is a cyclic number.

It is not a de Polignac number, because 90041761 - 2²⁵ = 56487329 is a prime.

It is a super-2 number, since 2×90041761² = 16215037447962242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90041767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45020880 + 45020881.

It is an arithmetic number, because the mean of its divisors is an integer number (45020881).

Almost surely, 2^90041761 is an apocalyptic number.

It is an amenable number.

90041761 is a deficient number, since it is larger than the sum of its proper divisors (1).

90041761 is an equidigital number, since it uses as much as digits as its factorization.

90041761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 90041761 is about 9489.0337231986. The cubic root of 90041761 is about 448.2097779908.

The spelling of 90041761 in words is "ninety million, forty-one thousand, seven hundred sixty-one".