62542981 has 8 divisors (see below), whose sum is σ = 63345240. Its totient is φ = 61744128.

The previous prime is 62542979. The next prime is 62543029. The reversal of 62542981 is 18924526.

62542981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18533025 + 44009956 = 4305^2 + 6634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 62542981 - 2¹ = 62542979 is a prime.

It is a super-2 number, since 2×62542981² = 7823248944732722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62542981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62542951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76905 + ... + 77713.

It is an arithmetic number, because the mean of its divisors is an integer number (7918155).

Almost surely, 2^62542981 is an apocalyptic number.

It is an amenable number.

62542981 is a deficient number, since it is larger than the sum of its proper divisors (802259).

62542981 is an equidigital number, since it uses as much as digits as its factorization.

62542981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its digits is 34560, while the sum is 37.

The square root of 62542981 is about 7908.4120403530. The cubic root of 62542981 is about 396.9412129261.

The spelling of 62542981 in words is "sixty-two million, five hundred forty-two thousand, nine hundred eighty-one".