62061991 has 4 divisors (see below), whose sum is σ = 62241192. Its totient is φ = 61882792.

The previous prime is 62061983. The next prime is 62061997. The reversal of 62061991 is 19916026.

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

It is a cyclic number.

It is not a de Polignac number, because 62061991 - 2³ = 62061983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62061997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89080 + ... + 89773.

It is an arithmetic number, because the mean of its divisors is an integer number (15560298).

Almost surely, 2^62061991 is an apocalyptic number.

62061991 is a deficient number, since it is larger than the sum of its proper divisors (179201).

62061991 is a wasteful number, since it uses less digits than its factorization.

62061991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179200.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 62061991 is about 7877.9433229746. The cubic root of 62061991 is about 395.9210275979.

The spelling of 62061991 in words is "sixty-two million, sixty-one thousand, nine hundred ninety-one".