47250531 has 12 divisors (see below), whose sum is σ = 72265752. Its totient is φ = 29647296.

The previous prime is 47250509. The next prime is 47250547. The reversal of 47250531 is 13505274.

It is a happy number.

It is not a de Polignac number, because 47250531 - 2¹¹ = 47248483 is a prime.

It is a super-2 number, since 2×47250531² = 4465225359563922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47250495 and 47250504.

It is not an unprimeable number, because it can be changed into a prime (47250551) 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, 154261 + ... + 154566.

It is an arithmetic number, because the mean of its divisors is an integer number (6022146).

Almost surely, 2^47250531 is an apocalyptic number.

47250531 is a deficient number, since it is larger than the sum of its proper divisors (25015221).

47250531 is a wasteful number, since it uses less digits than its factorization.

47250531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308850 (or 308847 counting only the distinct ones).

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

The square root of 47250531 is about 6873.9021668918. The cubic root of 47250531 is about 361.5226938916.

The spelling of 47250531 in words is "forty-seven million, two hundred fifty thousand, five hundred thirty-one".