42980501 has 2 divisors, whose sum is σ = 42980502. Its totient is φ = 42980500.

The previous prime is 42980479. The next prime is 42980549. The reversal of 42980501 is 10508924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 4726276 = 6185^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 42980501 - 2¹⁰ = 42979477 is a prime.

It is a super-2 number, since 2×42980501² = 3694646932422002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42980801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21490250 + 21490251.

It is an arithmetic number, because the mean of its divisors is an integer number (21490251).

Almost surely, 2^42980501 is an apocalyptic number.

It is an amenable number.

42980501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42980501 is an equidigital number, since it uses as much as digits as its factorization.

42980501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 42980501 is about 6555.9515709011. The cubic root of 42980501 is about 350.2868424052.

The spelling of 42980501 in words is "forty-two million, nine hundred eighty thousand, five hundred one".