64502542 has 16 divisors (see below), whose sum is σ = 104548752. Its totient is φ = 29669760.

The previous prime is 64502521. The next prime is 64502551. The reversal of 64502542 is 24520546.

It is a self number, because there is not a number n which added to its sum of digits gives 64502542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (6534297).

Almost surely, 2^64502542 is an apocalyptic number.

64502542 is a deficient number, since it is larger than the sum of its proper divisors (40046210).

64502542 is a wasteful number, since it uses less digits than its factorization.

64502542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8403.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 64502542 is about 8031.3474585526. The cubic root of 64502542 is about 401.0442340658.

The spelling of 64502542 in words is "sixty-four million, five hundred two thousand, five hundred forty-two".