47013525 has 36 divisors (see below), whose sum is σ = 90689508. Its totient is φ = 23143680.

The previous prime is 47013521. The next prime is 47013623. The reversal of 47013525 is 52531074.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11229201 + 35784324 = 3351^2 + 5982^2 .

It is not a de Polignac number, because 47013525 - 2² = 47013521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47013521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5112 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (2519153).

Almost surely, 2^47013525 is an apocalyptic number.

47013525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47013525 is a deficient number, since it is larger than the sum of its proper divisors (43675983).

47013525 is a wasteful number, since it uses less digits than its factorization.

47013525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 47013525 is about 6856.6409414523. The cubic root of 47013525 is about 360.9172212703.

Adding to 47013525 its reverse (52531074), we get a palindrome (99544599).

The spelling of 47013525 in words is "forty-seven million, thirteen thousand, five hundred twenty-five".