47621051 has 2 divisors, whose sum is σ = 47621052. Its totient is φ = 47621050.

The previous prime is 47621047. The next prime is 47621069. The reversal of 47621051 is 15012674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47621051 - 2² = 47621047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47621051.

It is not a weakly prime, because it can be changed into another prime (47621551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23810525 + 23810526.

It is an arithmetic number, because the mean of its divisors is an integer number (23810526).

Almost surely, 2^47621051 is an apocalyptic number.

47621051 is a deficient number, since it is larger than the sum of its proper divisors (1).

47621051 is an equidigital number, since it uses as much as digits as its factorization.

47621051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 47621051 is about 6900.8007506376. The cubic root of 47621051 is about 362.4652072830.

The spelling of 47621051 in words is "forty-seven million, six hundred twenty-one thousand, fifty-one".