151582725 has 72 divisors (see below), whose sum is σ = 323997120. Its totient is φ = 69279840.

The previous prime is 151582723. The next prime is 151582729. The reversal of 151582725 is 527285151.

151582725 is a `hidden beast` number, since 1 + 5 + 1 + 582 + 72 + 5 = 666.

It is not a de Polignac number, because 151582725 - 2¹ = 151582723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151582725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151582723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30784 + ... + 35366.

It is an arithmetic number, because the mean of its divisors is an integer number (4499960).

Almost surely, 2^151582725 is an apocalyptic number.

151582725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151582725 is an abundant number, since it is smaller than the sum of its proper divisors (172414395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151582725 is a wasteful number, since it uses less digits than its factorization.

151582725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4598 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 151582725 is about 12311.8936398915. The cubic root of 151582725 is about 533.1915237121.

The spelling of 151582725 in words is "one hundred fifty-one million, five hundred eighty-two thousand, seven hundred twenty-five".