42953401 has 2 divisors, whose sum is σ = 42953402. Its totient is φ = 42953400.

The previous prime is 42953399. The next prime is 42953453. The reversal of 42953401 is 10435924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 4946176 = 6165^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 42953401 - 2¹ = 42953399 is a prime.

Together with 42953399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42953401.

It is not a weakly prime, because it can be changed into another prime (42953461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21476700 + 21476701.

It is an arithmetic number, because the mean of its divisors is an integer number (21476701).

Almost surely, 2^42953401 is an apocalyptic number.

It is an amenable number.

42953401 is a deficient number, since it is larger than the sum of its proper divisors (1).

42953401 is an equidigital number, since it uses as much as digits as its factorization.

42953401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42953401 is about 6553.8844207081. The cubic root of 42953401 is about 350.2132061513.

The spelling of 42953401 in words is "forty-two million, nine hundred fifty-three thousand, four hundred one".