61465506 has 16 divisors (see below), whose sum is σ = 130162464. Its totient is φ = 19283264.

The previous prime is 61465493. The next prime is 61465511. The reversal of 61465506 is 60556416.

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, 301200 + ... + 301403.

It is an arithmetic number, because the mean of its divisors is an integer number (8135154).

Almost surely, 2^61465506 is an apocalyptic number.

61465506 is an abundant number, since it is smaller than the sum of its proper divisors (68696958).

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

61465506 is a wasteful number, since it uses less digits than its factorization.

61465506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602625.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 61465506 is about 7839.9940050997. The cubic root of 61465506 is about 394.6485278154.

The spelling of 61465506 in words is "sixty-one million, four hundred sixty-five thousand, five hundred six".