151513325 has 24 divisors (see below), whose sum is σ = 193714536. Its totient is φ = 117504000.

The previous prime is 151513267. The next prime is 151513339. The reversal of 151513325 is 523315151.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 104919049 + 46594276 = 10243^2 + 6826^2 .

It is not a de Polignac number, because 151513325 - 2¹⁶ = 151447789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151513294 and 151513303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110645 + ... + 112005.

It is an arithmetic number, because the mean of its divisors is an integer number (8071439).

Almost surely, 2^151513325 is an apocalyptic number.

It is an amenable number.

151513325 is a deficient number, since it is larger than the sum of its proper divisors (42201211).

151513325 is a wasteful number, since it uses less digits than its factorization.

151513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1500 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 151513325 is about 12309.0749043135. The cubic root of 151513325 is about 533.1101398993.

Adding to 151513325 its reverse (523315151), we get a palindrome (674828476).

The spelling of 151513325 in words is "one hundred fifty-one million, five hundred thirteen thousand, three hundred twenty-five".