62978053 has 4 divisors (see below), whose sum is σ = 65149740. Its totient is φ = 60806368.

The previous prime is 62978039. The next prime is 62978063. The reversal of 62978053 is 35087926.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42484324 + 20493729 = 6518^2 + 4527^2 .

It is a cyclic number.

It is not a de Polignac number, because 62978053 - 2²¹ = 60880901 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 62977997 and 62978015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62978063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085800 + ... + 1085857.

It is an arithmetic number, because the mean of its divisors is an integer number (16287435).

Almost surely, 2^62978053 is an apocalyptic number.

It is an amenable number.

62978053 is a deficient number, since it is larger than the sum of its proper divisors (2171687).

62978053 is a wasteful number, since it uses less digits than its factorization.

62978053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171686.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 62978053 is about 7935.8712817182. The cubic root of 62978053 is about 397.8595099371.

The spelling of 62978053 in words is "sixty-two million, nine hundred seventy-eight thousand, fifty-three".