47378351 has 2 divisors, whose sum is σ = 47378352. Its totient is φ = 47378350.

The previous prime is 47378341. The next prime is 47378399. The reversal of 47378351 is 15387374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47378351 - 2¹⁴ = 47361967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47378311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23689175 + 23689176.

It is an arithmetic number, because the mean of its divisors is an integer number (23689176).

Almost surely, 2^47378351 is an apocalyptic number.

47378351 is a deficient number, since it is larger than the sum of its proper divisors (1).

47378351 is an equidigital number, since it uses as much as digits as its factorization.

47378351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 47378351 is about 6883.1933722655. The cubic root of 47378351 is about 361.8483919950.

The spelling of 47378351 in words is "forty-seven million, three hundred seventy-eight thousand, three hundred fifty-one".