61532232425 has 6 divisors (see below), whose sum is σ = 76299968238. Its totient is φ = 49225785920.

The previous prime is 61532232403. The next prime is 61532232427. The reversal of 61532232425 is 52423223516.

It can be written as a sum of positive squares in 3 ways, for example, as 205176976 + 61327055449 = 14324^2 + 247643^2 .

It is not a de Polignac number, because 61532232425 - 2⁸ = 61532232169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61532232427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1230644624 + ... + 1230644673.

It is an arithmetic number, because the mean of its divisors is an integer number (12716661373).

Almost surely, 2^61532232425 is an apocalyptic number.

It is an amenable number.

61532232425 is a deficient number, since it is larger than the sum of its proper divisors (14767735813).

61532232425 is a wasteful number, since it uses less digits than its factorization.

61532232425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461289307 (or 2461289302 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The spelling of 61532232425 in words is "sixty-one billion, five hundred thirty-two million, two hundred thirty-two thousand, four hundred twenty-five".