61253233 has 2 divisors, whose sum is σ = 61253234. Its totient is φ = 61253232.

The previous prime is 61253219. The next prime is 61253239. The reversal of 61253233 is 33235216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 288369 = 7808^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 61253233 - 2⁵ = 61253201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61253198 and 61253207.

It is not a weakly prime, because it can be changed into another prime (61253239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30626616 + 30626617.

It is an arithmetic number, because the mean of its divisors is an integer number (30626617).

Almost surely, 2^61253233 is an apocalyptic number.

It is an amenable number.

61253233 is a deficient number, since it is larger than the sum of its proper divisors (1).

61253233 is an equidigital number, since it uses as much as digits as its factorization.

61253233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 61253233 is about 7826.4444673172. Note that the first 4 decimals coincide. The cubic root of 61253233 is about 394.1936935749.

Adding to 61253233 its reverse (33235216), we get a palindrome (94488449).

The spelling of 61253233 in words is "sixty-one million, two hundred fifty-three thousand, two hundred thirty-three".