155827025 has 12 divisors (see below), whose sum is σ = 193392012. Its totient is φ = 124554240.

The previous prime is 155827013. The next prime is 155827027. The reversal of 155827025 is 520728551.

155827025 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 1893376 + 153933649 = 1376^2 + 12407^2 .

It is not a de Polignac number, because 155827025 - 2¹⁰ = 155826001 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 (155827027) 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, 40589 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (16116001).

Almost surely, 2^155827025 is an apocalyptic number.

It is an amenable number.

155827025 is a deficient number, since it is larger than the sum of its proper divisors (37564987).

155827025 is a wasteful number, since it uses less digits than its factorization.

155827025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 155827025 is about 12483.0695343733. The cubic root of 155827025 is about 538.1222215559.

The spelling of 155827025 in words is "one hundred fifty-five million, eight hundred twenty-seven thousand, twenty-five".