47390525 has 48 divisors (see below), whose sum is σ = 74411904. Its totient is φ = 29134080.

The previous prime is 47390501. The next prime is 47390531. The reversal of 47390525 is 52509374.

It is not a de Polignac number, because 47390525 - 2¹⁰ = 47389501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83894 + ... + 84456.

It is an arithmetic number, because the mean of its divisors is an integer number (1550248).

Almost surely, 2^47390525 is an apocalyptic number.

It is an amenable number.

47390525 is a deficient number, since it is larger than the sum of its proper divisors (27021379).

47390525 is a wasteful number, since it uses less digits than its factorization.

47390525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 47390525 is about 6884.0776433739. The cubic root of 47390525 is about 361.8793819935.

Adding to 47390525 its reverse (52509374), we get a palindrome (99899899).

The spelling of 47390525 in words is "forty-seven million, three hundred ninety thousand, five hundred twenty-five".