61480533 has 16 divisors (see below), whose sum is σ = 85819392. Its totient is φ = 39102000.

The previous prime is 61480519. The next prime is 61480543. The reversal of 61480533 is 33508416.

It is not a de Polignac number, because 61480533 - 2⁵ = 61480501 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61480533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61480513) 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, 1948 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (5363712).

Almost surely, 2^61480533 is an apocalyptic number.

It is an amenable number.

61480533 is a deficient number, since it is larger than the sum of its proper divisors (24338859).

61480533 is a wasteful number, since it uses less digits than its factorization.

61480533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61480533 is about 7840.9523018572. The cubic root of 61480533 is about 394.6806862328.

Adding to 61480533 its reverse (33508416), we get a palindrome (94988949).

The spelling of 61480533 in words is "sixty-one million, four hundred eighty thousand, five hundred thirty-three".