725841401 has 12 divisors (see below), whose sum is σ = 811123092. Its totient is φ = 647184384.

The previous prime is 725841373. The next prime is 725841421. The reversal of 725841401 is 104148527.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 420291001 + 305550400 = 20501^2 + 17480^2 .

It is not a de Polignac number, because 725841401 - 2¹⁰ = 725840377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725841421) 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, 53000 + ... + 65273.

It is an arithmetic number, because the mean of its divisors is an integer number (67593591).

Almost surely, 2^725841401 is an apocalyptic number.

It is an amenable number.

725841401 is a deficient number, since it is larger than the sum of its proper divisors (85281691).

725841401 is a wasteful number, since it uses less digits than its factorization.

725841401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118328 (or 118309 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 725841401 is about 26941.4439293814. The cubic root of 725841401 is about 898.6982831875.

Adding to 725841401 its reverse (104148527), we get a palindrome (829989928).

The spelling of 725841401 in words is "seven hundred twenty-five million, eight hundred forty-one thousand, four hundred one".