61348505 has 8 divisors (see below), whose sum is σ = 75414024. Its totient is φ = 47881600.

The previous prime is 61348481. The next prime is 61348517. The reversal of 61348505 is 50584316.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8281 + 61340224 = 91^2 + 7832^2 .

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

It is not a de Polignac number, because 61348505 - 2¹⁴ = 61332121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149426 + ... + 149835.

It is an arithmetic number, because the mean of its divisors is an integer number (9426753).

Almost surely, 2^61348505 is an apocalyptic number.

It is an amenable number.

61348505 is a deficient number, since it is larger than the sum of its proper divisors (14065519).

61348505 is a wasteful number, since it uses less digits than its factorization.

61348505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299307.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 61348505 is about 7832.5286466122. The cubic root of 61348505 is about 394.3979612545.

The spelling of 61348505 in words is "sixty-one million, three hundred forty-eight thousand, five hundred five".