61395233 has 4 divisors (see below), whose sum is σ = 63512340. Its totient is φ = 59278128.

The previous prime is 61395227. The next prime is 61395239. The reversal of 61395233 is 33259316.

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

It is an interprime number because it is at equal distance from previous prime (61395227) and next prime (61395239).

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 31888609 = 5432^2 + 5647^2 .

It is a cyclic number.

It is not a de Polignac number, because 61395233 - 2¹⁰ = 61394209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61395233.

It is not an unprimeable number, because it can be changed into a prime (61395239) 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, 1058510 + ... + 1058567.

It is an arithmetic number, because the mean of its divisors is an integer number (15878085).

Almost surely, 2^61395233 is an apocalyptic number.

It is an amenable number.

61395233 is a deficient number, since it is larger than the sum of its proper divisors (2117107).

61395233 is a wasteful number, since it uses less digits than its factorization.

61395233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117106.

The product of its digits is 14580, while the sum is 32.

The square root of 61395233 is about 7835.5110235389. The cubic root of 61395233 is about 394.4980710061.

The spelling of 61395233 in words is "sixty-one million, three hundred ninety-five thousand, two hundred thirty-three".