194463025 has 9 divisors (see below), whose sum is σ = 241220641. Its totient is φ = 155514640.

The previous prime is 194463023. The next prime is 194463037. The reversal of 194463025 is 520364491.

It is a happy number.

The square root of 194463025 is 13945.

It is a perfect power (a square), and thus also a powerful number.

194463025 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 4 ways, for example, as 27889 + 194435136 = 167^2 + 13944^2 .

It is not a de Polignac number, because 194463025 - 2¹ = 194463023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194463023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68331 + ... + 71119.

Almost surely, 2^194463025 is an apocalyptic number.

194463025 is the 13945-th square number.

194463025 is the 6973-rd centered octagonal number.

It is an amenable number.

194463025 is a deficient number, since it is larger than the sum of its proper divisors (46757616).

194463025 is an frugal number, since it uses more digits than its factorization.

194463025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The cubic root of 194463025 is about 579.3562268475.

The spelling of 194463025 in words is "one hundred ninety-four million, four hundred sixty-three thousand, twenty-five".