151771325 has 12 divisors (see below), whose sum is σ = 199267380. Its totient is φ = 114274560.

The previous prime is 151771313. The next prime is 151771327. The reversal of 151771325 is 523177151.

It can be written as a sum of positive squares in 6 ways, for example, as 5579044 + 146192281 = 2362^2 + 12091^2 .

It is not a de Polignac number, because 151771325 - 2¹⁶ = 151705789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151771291 and 151771300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151771327) 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, 178130 + ... + 178979.

It is an arithmetic number, because the mean of its divisors is an integer number (16605615).

Almost surely, 2^151771325 is an apocalyptic number.

It is an amenable number.

151771325 is a deficient number, since it is larger than the sum of its proper divisors (47496055).

151771325 is a wasteful number, since it uses less digits than its factorization.

151771325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357136 (or 357131 counting only the distinct ones).

The product of its digits is 7350, while the sum is 32.

The square root of 151771325 is about 12319.5505193980. The cubic root of 151771325 is about 533.4125652687.

The spelling of 151771325 in words is "one hundred fifty-one million, seven hundred seventy-one thousand, three hundred twenty-five".