63242545 has 16 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 47430144.

The previous prime is 63242539. The next prime is 63242549. The reversal of 63242545 is 54524236.

It is a cyclic number.

It is not a de Polignac number, because 63242545 - 2³ = 63242537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63242549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5784 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^63242545 is an apocalyptic number.

It is an amenable number.

63242545 is a deficient number, since it is larger than the sum of its proper divisors (17478095).

63242545 is a wasteful number, since it uses less digits than its factorization.

63242545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984.

The product of its digits is 28800, while the sum is 31.

The square root of 63242545 is about 7952.5181546476. The cubic root of 63242545 is about 398.4157020344.

The spelling of 63242545 in words is "sixty-three million, two hundred forty-two thousand, five hundred forty-five".