61626433 has 4 divisors (see below), whose sum is σ = 67228848. Its totient is φ = 56024020.

The previous prime is 61626427. The next prime is 61626437. The reversal of 61626433 is 33462616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61626433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61626395 and 61626404.

It is not an unprimeable number, because it can be changed into a prime (61626437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801191 + ... + 2801212.

It is an arithmetic number, because the mean of its divisors is an integer number (16807212).

Almost surely, 2^61626433 is an apocalyptic number.

It is an amenable number.

61626433 is a deficient number, since it is larger than the sum of its proper divisors (5602415).

61626433 is a wasteful number, since it uses less digits than its factorization.

61626433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602414.

The product of its digits is 15552, while the sum is 31.

The square root of 61626433 is about 7850.2505055571. The cubic root of 61626433 is about 394.9926463407.

The spelling of 61626433 in words is "sixty-one million, six hundred twenty-six thousand, four hundred thirty-three".