61315634 has 16 divisors (see below), whose sum is σ = 97832448. Its totient is φ = 28721472.

The previous prime is 61315633. The next prime is 61315643. The reversal of 61315634 is 43651316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61315597 and 61315606.

It is not an unprimeable number, because it can be changed into a prime (61315633) 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, 3539 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (6114528).

Almost surely, 2^61315634 is an apocalyptic number.

61315634 is a deficient number, since it is larger than the sum of its proper divisors (36516814).

61315634 is a wasteful number, since it uses less digits than its factorization.

61315634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its digits is 6480, while the sum is 29.

The square root of 61315634 is about 7830.4300009642. The cubic root of 61315634 is about 394.3275081846.

The spelling of 61315634 in words is "sixty-one million, three hundred fifteen thousand, six hundred thirty-four".