61245433 has 4 divisors (see below), whose sum is σ = 61282980. Its totient is φ = 61207888.

The previous prime is 61245421. The next prime is 61245463. The reversal of 61245433 is 33454216.

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 14500864 + 46744569 = 3808^2 + 6837^2 .

It is a cyclic number.

It is not a de Polignac number, because 61245433 - 2⁹ = 61244921 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61245463) 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, 16210 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (15320745).

Almost surely, 2^61245433 is an apocalyptic number.

It is an amenable number.

61245433 is a deficient number, since it is larger than the sum of its proper divisors (37547).

61245433 is a wasteful number, since it uses less digits than its factorization.

61245433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37546.

The product of its digits is 8640, while the sum is 28.

The square root of 61245433 is about 7825.9461408829. The cubic root of 61245433 is about 394.1769606278.

Adding to 61245433 its reverse (33454216), we get a palindrome (94699649).

The spelling of 61245433 in words is "sixty-one million, two hundred forty-five thousand, four hundred thirty-three".