946259381 has 2 divisors, whose sum is σ = 946259382. Its totient is φ = 946259380.

The previous prime is 946259341. The next prime is 946259429. The reversal of 946259381 is 183952649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888636100 + 57623281 = 29810^2 + 7591^2 .

It is a cyclic number.

It is not a de Polignac number, because 946259381 - 2¹⁸ = 945997237 is a prime.

It is a super-2 number, since 2×946259381² = 1790813632261006322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (946259341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473129690 + 473129691.

It is an arithmetic number, because the mean of its divisors is an integer number (473129691).

Almost surely, 2^946259381 is an apocalyptic number.

It is an amenable number.

946259381 is a deficient number, since it is larger than the sum of its proper divisors (1).

946259381 is an equidigital number, since it uses as much as digits as its factorization.

946259381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 946259381 is about 30761.3293113285. The cubic root of 946259381 is about 981.7556274605.

The spelling of 946259381 in words is "nine hundred forty-six million, two hundred fifty-nine thousand, three hundred eighty-one".