61533126 has 24 divisors (see below), whose sum is σ = 134222400. Its totient is φ = 20372496.

The previous prime is 61533107. The next prime is 61533137. The reversal of 61533126 is 62133516.

61533126 is a `hidden beast` number, since 6 + 1 + 533 + 126 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61533126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8790 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (5592600).

Almost surely, 2^61533126 is an apocalyptic number.

61533126 is an abundant number, since it is smaller than the sum of its proper divisors (72689274).

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

61533126 is a wasteful number, since it uses less digits than its factorization.

61533126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100 (or 23097 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61533126 is about 7844.3053229716. The cubic root of 61533126 is about 394.7931962378.

The spelling of 61533126 in words is "sixty-one million, five hundred thirty-three thousand, one hundred twenty-six".