47621461 has 2 divisors, whose sum is σ = 47621462. Its totient is φ = 47621460.

The previous prime is 47621449. The next prime is 47621489. The reversal of 47621461 is 16412674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 630436 = 6855^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 47621461 - 2²⁵ = 14067029 is a prime.

It is equal to p_2866801 and since 47621461 and 2866801 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47621491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23810730 + 23810731.

It is an arithmetic number, because the mean of its divisors is an integer number (23810731).

Almost surely, 2^47621461 is an apocalyptic number.

It is an amenable number.

47621461 is a deficient number, since it is larger than the sum of its proper divisors (1).

47621461 is an equidigital number, since it uses as much as digits as its factorization.

47621461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 47621461 is about 6900.8304572711. The cubic root of 47621461 is about 362.4662475114.

The spelling of 47621461 in words is "forty-seven million, six hundred twenty-one thousand, four hundred sixty-one".