61535353 has 4 divisors (see below), whose sum is σ = 67129488. Its totient is φ = 55941220.

The previous prime is 61535351. The next prime is 61535363. The reversal of 61535353 is 35353516.

It is a happy number.

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 not a de Polignac number, because 61535353 - 2¹ = 61535351 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61535351) 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, 2797051 + ... + 2797072.

It is an arithmetic number, because the mean of its divisors is an integer number (16782372).

Almost surely, 2^61535353 is an apocalyptic number.

It is an amenable number.

61535353 is a deficient number, since it is larger than the sum of its proper divisors (5594135).

61535353 is a wasteful number, since it uses less digits than its factorization.

61535353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594134.

The product of its digits is 20250, while the sum is 31.

The square root of 61535353 is about 7844.4472717968. The cubic root of 61535353 is about 394.7979589507.

Adding to 61535353 its reverse (35353516), we get a palindrome (96888869).

The spelling of 61535353 in words is "sixty-one million, five hundred thirty-five thousand, three hundred fifty-three".