42880501 has 2 divisors, whose sum is σ = 42880502. Its totient is φ = 42880500.

The previous prime is 42880493. The next prime is 42880507. The reversal of 42880501 is 10508824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 5058001 = 6150^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 42880501 - 2³ = 42880493 is a prime.

It is a super-2 number, since 2×42880501² = 3677474732022002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42880501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42880507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21440250 + 21440251.

It is an arithmetic number, because the mean of its divisors is an integer number (21440251).

Almost surely, 2^42880501 is an apocalyptic number.

It is an amenable number.

42880501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42880501 is an equidigital number, since it uses as much as digits as its factorization.

42880501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 42880501 is about 6548.3204716935. The cubic root of 42880501 is about 350.0149680674.

The spelling of 42880501 in words is "forty-two million, eight hundred eighty thousand, five hundred one".