61225306 has 8 divisors (see below), whose sum is σ = 94320180. Its totient is φ = 29785248.

The previous prime is 61225289. The next prime is 61225331. The reversal of 61225306 is 60352216.

It can be written as a sum of positive squares in 2 ways, for example, as 60699681 + 525625 = 7791^2 + 725^2 .

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

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, 413611 + ... + 413758.

Almost surely, 2^61225306 is an apocalyptic number.

61225306 is a deficient number, since it is larger than the sum of its proper divisors (33094874).

61225306 is a wasteful number, since it uses less digits than its factorization.

61225306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827408.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61225306 is about 7824.6601204142. The cubic root of 61225306 is about 394.1337766247.

The spelling of 61225306 in words is "sixty-one million, two hundred twenty-five thousand, three hundred six".