90452741 has 2 divisors, whose sum is σ = 90452742. Its totient is φ = 90452740.

The previous prime is 90452737. The next prime is 90452777. The reversal of 90452741 is 14725409.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 3422500 = 9329^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 90452741 - 2² = 90452737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90452698 and 90452707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90452041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45226370 + 45226371.

It is an arithmetic number, because the mean of its divisors is an integer number (45226371).

Almost surely, 2^90452741 is an apocalyptic number.

It is an amenable number.

90452741 is a deficient number, since it is larger than the sum of its proper divisors (1).

90452741 is an equidigital number, since it uses as much as digits as its factorization.

90452741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 90452741 is about 9510.6645929714. The cubic root of 90452741 is about 448.8906683665.

The spelling of 90452741 in words is "ninety million, four hundred fifty-two thousand, seven hundred forty-one".