61130433 has 16 divisors (see below), whose sum is σ = 100317056. Its totient is φ = 32244480.

The previous prime is 61130423. The next prime is 61130449. The reversal of 61130433 is 33403116.

It is not a de Polignac number, because 61130433 - 2⁴ = 61130417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (61130423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111688 + ... + 112233.

It is an arithmetic number, because the mean of its divisors is an integer number (6269816).

Almost surely, 2^61130433 is an apocalyptic number.

It is an amenable number.

61130433 is a deficient number, since it is larger than the sum of its proper divisors (39186623).

61130433 is a wasteful number, since it uses less digits than its factorization.

61130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223944.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 61130433 is about 7818.5953342017. The cubic root of 61130433 is about 393.9300918682.

Adding to 61130433 its reverse (33403116), we get a palindrome (94533549).

The spelling of 61130433 in words is "sixty-one million, one hundred thirty thousand, four hundred thirty-three".