151315025 has 6 divisors (see below), whose sum is σ = 187630662. Its totient is φ = 121052000.

The previous prime is 151315009. The next prime is 151315027. The reversal of 151315025 is 520513151.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1399489 + 149915536 = 1183^2 + 12244^2 .

It is not a de Polignac number, because 151315025 - 2⁴ = 151315009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151315027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3026276 + ... + 3026325.

It is an arithmetic number, because the mean of its divisors is an integer number (31271777).

Almost surely, 2^151315025 is an apocalyptic number.

It is an amenable number.

151315025 is a deficient number, since it is larger than the sum of its proper divisors (36315637).

151315025 is an equidigital number, since it uses as much as digits as its factorization.

151315025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052611 (or 6052606 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 151315025 is about 12301.0172343591. The cubic root of 151315025 is about 532.8774609266.

Adding to 151315025 its reverse (520513151), we get a palindrome (671828176).

The spelling of 151315025 in words is "one hundred fifty-one million, three hundred fifteen thousand, twenty-five".