61321695 has 16 divisors (see below), whose sum is σ = 98776800. Its totient is φ = 32484224.

The previous prime is 61321661. The next prime is 61321717. The reversal of 61321695 is 59612316.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61321695 - 2⁸ = 61321439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11484 + ... + 15953.

It is an arithmetic number, because the mean of its divisors is an integer number (6173550).

Almost surely, 2^61321695 is an apocalyptic number.

61321695 is a deficient number, since it is larger than the sum of its proper divisors (37455105).

61321695 is a wasteful number, since it uses less digits than its factorization.

61321695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27594.

The product of its digits is 9720, while the sum is 33.

The square root of 61321695 is about 7830.8170071839. The cubic root of 61321695 is about 394.3405007398.

The spelling of 61321695 in words is "sixty-one million, three hundred twenty-one thousand, six hundred ninety-five".