155013425 has 12 divisors (see below), whose sum is σ = 219676416. Its totient is φ = 106294800.

The previous prime is 155013421. The next prime is 155013427. The reversal of 155013425 is 524310551.

It is not a de Polignac number, because 155013425 - 2² = 155013421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155013394 and 155013403.

It is not an unprimeable number, because it can be changed into a prime (155013421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442721 + ... + 443070.

It is an arithmetic number, because the mean of its divisors is an integer number (18306368).

Almost surely, 2^155013425 is an apocalyptic number.

It is an amenable number.

155013425 is a deficient number, since it is larger than the sum of its proper divisors (64662991).

155013425 is an equidigital number, since it uses as much as digits as its factorization.

155013425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885808 (or 885803 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155013425 is about 12450.4387472892. The cubic root of 155013425 is about 537.1840436222.

Adding to 155013425 its reverse (524310551), we get a palindrome (679323976).

The spelling of 155013425 in words is "one hundred fifty-five million, thirteen thousand, four hundred twenty-five".