42941401 has 2 divisors, whose sum is σ = 42941402. Its totient is φ = 42941400.

The previous prime is 42941399. The next prime is 42941419. The reversal of 42941401 is 10414924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 3553225 = 6276^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 42941401 - 2¹ = 42941399 is a prime.

Together with 42941399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42941441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21470700 + 21470701.

It is an arithmetic number, because the mean of its divisors is an integer number (21470701).

Almost surely, 2^42941401 is an apocalyptic number.

It is an amenable number.

42941401 is a deficient number, since it is larger than the sum of its proper divisors (1).

42941401 is an equidigital number, since it uses as much as digits as its factorization.

42941401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 42941401 is about 6552.9688691463. The cubic root of 42941401 is about 350.1805897981.

The spelling of 42941401 in words is "forty-two million, nine hundred forty-one thousand, four hundred one".