61223635 has 8 divisors (see below), whose sum is σ = 80147376. Its totient is φ = 44526240.

The previous prime is 61223627. The next prime is 61223683. The reversal of 61223635 is 53632216.

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

It is not a de Polignac number, because 61223635 - 2³ = 61223627 is a prime.

It is a super-2 number, since 2×61223635² = 7496666965226450, which contains 22 as substring.

It is a Duffinian 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, 556524 + ... + 556633.

It is an arithmetic number, because the mean of its divisors is an integer number (10018422).

Almost surely, 2^61223635 is an apocalyptic number.

61223635 is a deficient number, since it is larger than the sum of its proper divisors (18923741).

61223635 is a wasteful number, since it uses less digits than its factorization.

61223635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113173.

The product of its digits is 6480, while the sum is 28.

The square root of 61223635 is about 7824.5533418848. The cubic root of 61223635 is about 394.1301909421.

The spelling of 61223635 in words is "sixty-one million, two hundred twenty-three thousand, six hundred thirty-five".