42453412 has 6 divisors (see below), whose sum is σ = 74293478. Its totient is φ = 21226704.

The previous prime is 42453401. The next prime is 42453413. The reversal of 42453412 is 21435424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27290176 + 15163236 = 5224^2 + 3894^2 .

It is not an unprimeable number, because it can be changed into a prime (42453413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5306673 + ... + 5306680.

Almost surely, 2^42453412 is an apocalyptic number.

It is an amenable number.

42453412 is a deficient number, since it is larger than the sum of its proper divisors (31840066).

42453412 is a wasteful number, since it uses less digits than its factorization.

42453412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613357 (or 10613355 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42453412 is about 6515.6282889680. The cubic root of 42453412 is about 348.8490410417.

Adding to 42453412 its reverse (21435424), we get a palindrome (63888836).

The spelling of 42453412 in words is "forty-two million, four hundred fifty-three thousand, four hundred twelve".