153441025 has 6 divisors (see below), whose sum is σ = 190266902. Its totient is φ = 122752800.

The previous prime is 153441007. The next prime is 153441037. The reversal of 153441025 is 520144351.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31404816 + 122036209 = 5604^2 + 11047^2 .

It is not a de Polignac number, because 153441025 - 2⁵ = 153440993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 6137641 = 153441025 / (1 + 5 + 3 + 4 + 4 + 1 + 0 + 2 + 5).

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, 3068796 + ... + 3068845.

Almost surely, 2^153441025 is an apocalyptic number.

It is an amenable number.

153441025 is a deficient number, since it is larger than the sum of its proper divisors (36825877).

153441025 is an equidigital number, since it uses as much as digits as its factorization.

153441025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137651 (or 6137646 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 153441025 is about 12387.1314274129. The cubic root of 153441025 is about 535.3615339544.

Adding to 153441025 its reverse (520144351), we get a palindrome (673585376).

The spelling of 153441025 in words is "one hundred fifty-three million, four hundred forty-one thousand, twenty-five".