9940501 has 2 divisors, whose sum is σ = 9940502. Its totient is φ = 9940500.

The previous prime is 9940471. The next prime is 9940507. The reversal of 9940501 is 1050499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8708401 + 1232100 = 2951^2 + 1110^2 .

It is a cyclic number.

It is not a de Polignac number, because 9940501 - 2¹³ = 9932309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9940501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9940507) 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, 4970250 + 4970251.

It is an arithmetic number, because the mean of its divisors is an integer number (4970251).

Almost surely, 2^9940501 is an apocalyptic number.

It is an amenable number.

9940501 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940501 is an equidigital number, since it uses as much as digits as its factorization.

9940501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9940501 is about 3152.8560068611. The cubic root of 9940501 is about 215.0153297164.

The spelling of 9940501 in words is "nine million, nine hundred forty thousand, five hundred one".