61205260 has 24 divisors (see below), whose sum is σ = 128877840. Its totient is φ = 24416064.

The previous prime is 61205227. The next prime is 61205269. The reversal of 61205260 is 6250216.

It is not an unprimeable number, because it can be changed into a prime (61205269) 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, 3847 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (5369910).

Almost surely, 2^61205260 is an apocalyptic number.

It is an amenable number.

61205260 is an abundant number, since it is smaller than the sum of its proper divisors (67672580).

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

61205260 is a wasteful number, since it uses less digits than its factorization.

61205260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8263 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61205260 is about 7823.3790653400. The cubic root of 61205260 is about 394.0907570051.

Adding to 61205260 its reverse (6250216), we get a palindrome (67455476).

The spelling of 61205260 in words is "sixty-one million, two hundred five thousand, two hundred sixty".