61419959 has 8 divisors (see below), whose sum is σ = 66158592. Its totient is φ = 56853720.

The previous prime is 61419949. The next prime is 61419973. The reversal of 61419959 is 95991416.

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 61419959 - 2²⁴ = 44642743 is a prime.

It is a super-2 number, since 2×61419959² = 7544822727123362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61419949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42359 + ... + 43784.

It is an arithmetic number, because the mean of its divisors is an integer number (8269824).

Almost surely, 2^61419959 is an apocalyptic number.

61419959 is a deficient number, since it is larger than the sum of its proper divisors (4738633).

61419959 is a wasteful number, since it uses less digits than its factorization.

61419959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86197.

The product of its digits is 87480, while the sum is 44.

The square root of 61419959 is about 7837.0886813918. The cubic root of 61419959 is about 394.5510232721.

The spelling of 61419959 in words is "sixty-one million, four hundred nineteen thousand, nine hundred fifty-nine".