61025533 has 4 divisors (see below), whose sum is σ = 61105660. Its totient is φ = 60945408.

The previous prime is 61025527. The next prime is 61025551. The reversal of 61025533 is 33552016.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27594009 + 33431524 = 5253^2 + 5782^2 .

It is a cyclic number.

It is not a de Polignac number, because 61025533 - 2⁹ = 61025021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61025498 and 61025507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61025033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38910 + ... + 40447.

It is an arithmetic number, because the mean of its divisors is an integer number (15276415).

Almost surely, 2^61025533 is an apocalyptic number.

It is an amenable number.

61025533 is a deficient number, since it is larger than the sum of its proper divisors (80127).

61025533 is an equidigital number, since it uses as much as digits as its factorization.

61025533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80126.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 61025533 is about 7811.8840877217. The cubic root of 61025533 is about 393.7046344644.

Adding to 61025533 its reverse (33552016), we get a palindrome (94577549).

The spelling of 61025533 in words is "sixty-one million, twenty-five thousand, five hundred thirty-three".