61421514 has 32 divisors (see below), whose sum is σ = 153156096. Its totient is φ = 15953520.

The previous prime is 61421453. The next prime is 61421573. The reversal of 61421514 is 41512416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66012 + ... + 66935.

It is an arithmetic number, because the mean of its divisors is an integer number (4786128).

Almost surely, 2^61421514 is an apocalyptic number.

61421514 is an abundant number, since it is smaller than the sum of its proper divisors (91734582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61421514 is a wasteful number, since it uses less digits than its factorization.

61421514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132970.

The product of its digits is 960, while the sum is 24.

The square root of 61421514 is about 7837.1878885223. The cubic root of 61421514 is about 394.5543529262.

The spelling of 61421514 in words is "sixty-one million, four hundred twenty-one thousand, five hundred fourteen".