61419542 has 4 divisors (see below), whose sum is σ = 92129316. Its totient is φ = 30709770.

The previous prime is 61419509. The next prime is 61419557. The reversal of 61419542 is 24591416.

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

It is a junction number, because it is equal to n+sod(n) for n = 61419499 and 61419508.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15354884 + ... + 15354887.

It is an arithmetic number, because the mean of its divisors is an integer number (23032329).

Almost surely, 2^61419542 is an apocalyptic number.

61419542 is a deficient number, since it is larger than the sum of its proper divisors (30709774).

61419542 is a wasteful number, since it uses less digits than its factorization.

61419542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30709773.

The product of its digits is 8640, while the sum is 32.

The square root of 61419542 is about 7837.0620770797. The cubic root of 61419542 is about 394.5501303585.

The spelling of 61419542 in words is "sixty-one million, four hundred nineteen thousand, five hundred forty-two".