42351373 has 2 divisors, whose sum is σ = 42351374. Its totient is φ = 42351372.

The previous prime is 42351359. The next prime is 42351377. The reversal of 42351373 is 37315324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 12299049 = 5482^2 + 3507^2 .

It is a cyclic number.

It is not a de Polignac number, because 42351373 - 2¹³ = 42343181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42351377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175686 + 21175687.

It is an arithmetic number, because the mean of its divisors is an integer number (21175687).

Almost surely, 2^42351373 is an apocalyptic number.

It is an amenable number.

42351373 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351373 is an equidigital number, since it uses as much as digits as its factorization.

42351373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 42351373 is about 6507.7932511720. The cubic root of 42351373 is about 348.5693245016.

Adding to 42351373 its reverse (37315324), we get a palindrome (79666697).

It can be divided in two parts, 42351 and 373, that added together give a palindrome (42724).

The spelling of 42351373 in words is "forty-two million, three hundred fifty-one thousand, three hundred seventy-three".