47925149 has 2 divisors, whose sum is σ = 47925150. Its totient is φ = 47925148.

The previous prime is 47925127. The next prime is 47925151. The reversal of 47925149 is 94152974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27899524 + 20025625 = 5282^2 + 4475^2 .

It is a cyclic number.

It is not a de Polignac number, because 47925149 - 2¹² = 47921053 is a prime.

Together with 47925151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47925109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23962574 + 23962575.

It is an arithmetic number, because the mean of its divisors is an integer number (23962575).

Almost surely, 2^47925149 is an apocalyptic number.

It is an amenable number.

47925149 is a deficient number, since it is larger than the sum of its proper divisors (1).

47925149 is an equidigital number, since it uses as much as digits as its factorization.

47925149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 47925149 is about 6922.7992170798. The cubic root of 47925149 is about 363.2351129354.

The spelling of 47925149 in words is "forty-seven million, nine hundred twenty-five thousand, one hundred forty-nine".