42961297 has 2 divisors, whose sum is σ = 42961298. Its totient is φ = 42961296.

The previous prime is 42961291. The next prime is 42961333. The reversal of 42961297 is 79216924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22810176 + 20151121 = 4776^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 42961297 - 2¹¹ = 42959249 is a prime.

It is not a weakly prime, because it can be changed into another prime (42961291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21480648 + 21480649.

It is an arithmetic number, because the mean of its divisors is an integer number (21480649).

Almost surely, 2^42961297 is an apocalyptic number.

It is an amenable number.

42961297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42961297 is an equidigital number, since it uses as much as digits as its factorization.

42961297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 42961297 is about 6554.4867838756. The cubic root of 42961297 is about 350.2346643982.

The spelling of 42961297 in words is "forty-two million, nine hundred sixty-one thousand, two hundred ninety-seven".