42961333 has 2 divisors, whose sum is σ = 42961334. Its totient is φ = 42961332.

The previous prime is 42961297. The next prime is 42961349. The reversal of 42961333 is 33316924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25472209 + 17489124 = 5047^2 + 4182^2 .

It is a cyclic number.

It is not a de Polignac number, because 42961333 - 2¹⁷ = 42830261 is a prime.

It is a super-2 number, since 2×42961333² = 3691352266273778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42961295 and 42961304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42964333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21480666 + 21480667.

It is an arithmetic number, because the mean of its divisors is an integer number (21480667).

Almost surely, 2^42961333 is an apocalyptic number.

It is an amenable number.

42961333 is a deficient number, since it is larger than the sum of its proper divisors (1).

42961333 is an equidigital number, since it uses as much as digits as its factorization.

42961333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 42961333 is about 6554.4895300855. The cubic root of 42961333 is about 350.2347622261.

The spelling of 42961333 in words is "forty-two million, nine hundred sixty-one thousand, three hundred thirty-three".