61261598 has 8 divisors (see below), whose sum is σ = 91948080. Its totient is φ = 30612240.

The previous prime is 61261583. The next prime is 61261621. The reversal of 61261598 is 89516216.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (11493510).

Almost surely, 2^61261598 is an apocalyptic number.

61261598 is a deficient number, since it is larger than the sum of its proper divisors (30686482).

61261598 is a wasteful number, since it uses less digits than its factorization.

61261598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562.

The product of its digits is 25920, while the sum is 38.

The square root of 61261598 is about 7826.9788552161. The cubic root of 61261598 is about 394.2116370096.

The spelling of 61261598 in words is "sixty-one million, two hundred sixty-one thousand, five hundred ninety-eight".