155676425 has 6 divisors (see below), whose sum is σ = 193038798. Its totient is φ = 124541120.

The previous prime is 155676419. The next prime is 155676431. The reversal of 155676425 is 524676551.

155676425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155676419) and next prime (155676431).

It can be written as a sum of positive squares in 3 ways, for example, as 11580409 + 144096016 = 3403^2 + 12004^2 .

It is not a de Polignac number, because 155676425 - 2¹² = 155672329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3113504 + ... + 3113553.

It is an arithmetic number, because the mean of its divisors is an integer number (32173133).

Almost surely, 2^155676425 is an apocalyptic number.

It is an amenable number.

155676425 is a deficient number, since it is larger than the sum of its proper divisors (37362373).

155676425 is an equidigital number, since it uses as much as digits as its factorization.

155676425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227067 (or 6227062 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 155676425 is about 12477.0359060155. The cubic root of 155676425 is about 537.9488084863.

The spelling of 155676425 in words is "one hundred fifty-five million, six hundred seventy-six thousand, four hundred twenty-five".