47415451 has 2 divisors, whose sum is σ = 47415452. Its totient is φ = 47415450.

The previous prime is 47415439. The next prime is 47415457. The reversal of 47415451 is 15451474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47415451 - 2¹³ = 47407259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47415457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23707725 + 23707726.

It is an arithmetic number, because the mean of its divisors is an integer number (23707726).

Almost surely, 2^47415451 is an apocalyptic number.

47415451 is a deficient number, since it is larger than the sum of its proper divisors (1).

47415451 is an equidigital number, since it uses as much as digits as its factorization.

47415451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 31.

The square root of 47415451 is about 6885.8878149444. The cubic root of 47415451 is about 361.9428167869.

The spelling of 47415451 in words is "forty-seven million, four hundred fifteen thousand, four hundred fifty-one".