39880501 has 2 divisors, whose sum is σ = 39880502. Its totient is φ = 39880500.

The previous prime is 39880471. The next prime is 39880517. The reversal of 39880501 is 10508893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28143025 + 11737476 = 5305^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 39880501 - 2⁵ = 39880469 is a prime.

It is a super-2 number, since 2×39880501² = 3180908720022002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39880301) 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, 19940250 + 19940251.

It is an arithmetic number, because the mean of its divisors is an integer number (19940251).

Almost surely, 2^39880501 is an apocalyptic number.

It is an amenable number.

39880501 is a deficient number, since it is larger than the sum of its proper divisors (1).

39880501 is an equidigital number, since it uses as much as digits as its factorization.

39880501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 39880501 is about 6315.1010284872. The cubic root of 39880501 is about 341.6542822664.

The spelling of 39880501 in words is "thirty-nine million, eight hundred eighty thousand, five hundred one".