61673203325 has 12 divisors (see below), whose sum is σ = 76487643540. Its totient is φ = 49330258560.

The previous prime is 61673203309. The next prime is 61673203331. The reversal of 61673203325 is 52330237616.

61673203325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 544102276 + 61129101049 = 23326^2 + 247243^2 .

It is not a de Polignac number, because 61673203325 - 2⁴ = 61673203309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53864 + ... + 355313.

It is an arithmetic number, because the mean of its divisors is an integer number (6373970295).

Almost surely, 2^61673203325 is an apocalyptic number.

It is an amenable number.

61673203325 is a deficient number, since it is larger than the sum of its proper divisors (14814440215).

61673203325 is a wasteful number, since it uses less digits than its factorization.

61673203325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415216 (or 415211 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 61673203325 in words is "sixty-one billion, six hundred seventy-three million, two hundred three thousand, three hundred twenty-five".