193420925 has 12 divisors (see below), whose sum is σ = 241103616. Its totient is φ = 153922800.

The previous prime is 193420921. The next prime is 193420937. The reversal of 193420925 is 529024391.

It is not a de Polignac number, because 193420925 - 2² = 193420921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193420921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15479 + ... + 25028.

It is an arithmetic number, because the mean of its divisors is an integer number (20091968).

Almost surely, 2^193420925 is an apocalyptic number.

It is an amenable number.

193420925 is a deficient number, since it is larger than the sum of its proper divisors (47682691).

193420925 is a wasteful number, since it uses less digits than its factorization.

193420925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40708 (or 40703 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 193420925 is about 13907.5851606237. The cubic root of 193420925 is about 578.3194765251.

The spelling of 193420925 in words is "one hundred ninety-three million, four hundred twenty thousand, nine hundred twenty-five".