47312525 has 12 divisors (see below), whose sum is σ = 63180852. Its totient is φ = 34938240.

The previous prime is 47312521. The next prime is 47312533. The reversal of 47312525 is 52521374.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 170569 + 47141956 = 413^2 + 6866^2 .

It is not a de Polignac number, because 47312525 - 2² = 47312521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47312521) 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, 72464 + ... + 73113.

It is an arithmetic number, because the mean of its divisors is an integer number (5265071).

Almost surely, 2^47312525 is an apocalyptic number.

It is an amenable number.

47312525 is a deficient number, since it is larger than the sum of its proper divisors (15868327).

47312525 is a wasteful number, since it uses less digits than its factorization.

47312525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145600 (or 145595 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 47312525 is about 6878.4100633795. The cubic root of 47312525 is about 361.6807340429.

Adding to 47312525 its reverse (52521374), we get a palindrome (99833899).

The spelling of 47312525 in words is "forty-seven million, three hundred twelve thousand, five hundred twenty-five".