47250725 has 6 divisors (see below), whose sum is σ = 58590930. Its totient is φ = 37800560.

The previous prime is 47250691. The next prime is 47250733. The reversal of 47250725 is 52705274.

It can be written as a sum of positive squares in 3 ways, for example, as 14737921 + 32512804 = 3839^2 + 5702^2 .

It is not a de Polignac number, because 47250725 - 2²² = 43056421 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47250691 and 47250700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944990 + ... + 945039.

It is an arithmetic number, because the mean of its divisors is an integer number (9765155).

Almost surely, 2^47250725 is an apocalyptic number.

It is an amenable number.

47250725 is a deficient number, since it is larger than the sum of its proper divisors (11340205).

47250725 is a wasteful number, since it uses less digits than its factorization.

47250725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890039 (or 1890034 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 47250725 is about 6873.9162782216. The cubic root of 47250725 is about 361.5231886678.

Adding to 47250725 its reverse (52705274), we get a palindrome (99955999).

The spelling of 47250725 in words is "forty-seven million, two hundred fifty thousand, seven hundred twenty-five".