725194127 has 4 divisors (see below), whose sum is σ = 828793296. Its totient is φ = 621594960.

The previous prime is 725194121. The next prime is 725194153. The reversal of 725194127 is 721491527.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 725194127 - 2¹² = 725190031 is a prime.

It is a super-3 number, since 3×725194127³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725194121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51799574 + ... + 51799587.

It is an arithmetic number, because the mean of its divisors is an integer number (207198324).

Almost surely, 2^725194127 is an apocalyptic number.

725194127 is a deficient number, since it is larger than the sum of its proper divisors (103599169).

725194127 is a wasteful number, since it uses less digits than its factorization.

725194127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103599168.

The product of its digits is 35280, while the sum is 38.

The square root of 725194127 is about 26929.4286422865. The cubic root of 725194127 is about 898.4310636405.

The spelling of 725194127 in words is "seven hundred twenty-five million, one hundred ninety-four thousand, one hundred twenty-seven".