61523235033 has 24 divisors (see below), whose sum is σ = 89473805568. Its totient is φ = 37381058208.

The previous prime is 61523235031. The next prime is 61523235071. The reversal of 61523235033 is 33053232516.

It is not a de Polignac number, because 61523235033 - 2¹ = 61523235031 is a prime.

It is a super-2 number, since 2×61523235033² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61523234985 and 61523235003.

It is not an unprimeable number, because it can be changed into a prime (61523235031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117016 + ... + 369782.

It is an arithmetic number, because the mean of its divisors is an integer number (3728075232).

Almost surely, 2^61523235033 is an apocalyptic number.

It is an amenable number.

61523235033 is a deficient number, since it is larger than the sum of its proper divisors (27950570535).

61523235033 is a wasteful number, since it uses less digits than its factorization.

61523235033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252941 (or 252862 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 61523235033 its reverse (33053232516), we get a palindrome (94576467549).

The spelling of 61523235033 in words is "sixty-one billion, five hundred twenty-three million, two hundred thirty-five thousand, thirty-three".