61450205 has 16 divisors (see below), whose sum is σ = 74784000. Its totient is φ = 48470400.

The previous prime is 61450201. The next prime is 61450219. The reversal of 61450205 is 50205416.

It is not a de Polignac number, because 61450205 - 2² = 61450201 is a prime.

It is a super-2 number, since 2×61450205² = 7552255389084050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61450201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150041 + ... + 150449.

It is an arithmetic number, because the mean of its divisors is an integer number (4674000).

Almost surely, 2^61450205 is an apocalyptic number.

It is an amenable number.

61450205 is a deficient number, since it is larger than the sum of its proper divisors (13333795).

61450205 is a wasteful number, since it uses less digits than its factorization.

61450205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 61450205 is about 7839.0181145345. The cubic root of 61450205 is about 394.6157776402.

The spelling of 61450205 in words is "sixty-one million, four hundred fifty thousand, two hundred five".