155260625 has 40 divisors (see below), whose sum is σ = 212163336. Its totient is φ = 112896000.

The previous prime is 155260607. The next prime is 155260627. The reversal of 155260625 is 526062551.

It can be written as a sum of positive squares in 20 ways, for example, as 148547344 + 6713281 = 12188^2 + 2591^2 .

It is not a de Polignac number, because 155260625 - 2¹⁴ = 155244241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155260591 and 155260600.

It is not an unprimeable number, because it can be changed into a prime (155260627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 788027 + ... + 788223.

Almost surely, 2^155260625 is an apocalyptic number.

It is an amenable number.

155260625 is a deficient number, since it is larger than the sum of its proper divisors (56902711).

155260625 is an equidigital number, since it uses as much as digits as its factorization.

155260625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 155260625 is about 12460.3621536455. The cubic root of 155260625 is about 537.4694412048.

It can be divided in two parts, 1552 and 60625, that multiplied together give a square (94090000 = 9700²).

The spelling of 155260625 in words is "one hundred fifty-five million, two hundred sixty thousand, six hundred twenty-five".