155013325 has 12 divisors (see below), whose sum is σ = 192436468. Its totient is φ = 123868800.

The previous prime is 155013301. The next prime is 155013329. The reversal of 155013325 is 523310551.

155013325 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 2910436 + 152102889 = 1706^2 + 12333^2 .

It is not a de Polignac number, because 155013325 - 2⁷ = 155013197 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155013325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013329) 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, 22489 + ... + 28561.

Almost surely, 2^155013325 is an apocalyptic number.

It is an amenable number.

155013325 is a deficient number, since it is larger than the sum of its proper divisors (37423143).

155013325 is a wasteful number, since it uses less digits than its factorization.

155013325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104 (or 7099 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 155013325 is about 12450.4347313658. The cubic root of 155013325 is about 537.1839281087.

Adding to 155013325 its reverse (523310551), we get a palindrome (678323876).

The spelling of 155013325 in words is "one hundred fifty-five million, thirteen thousand, three hundred twenty-five".