49147405 has 4 divisors (see below), whose sum is σ = 58976892. Its totient is φ = 39317920.

The previous prime is 49147387. The next prime is 49147421. The reversal of 49147405 is 50474194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9847044 + 39300361 = 3138^2 + 6269^2 .

It is not a de Polignac number, because 49147405 - 2¹³ = 49139213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914736 + ... + 4914745.

It is an arithmetic number, because the mean of its divisors is an integer number (14744223).

Almost surely, 2^49147405 is an apocalyptic number.

It is an amenable number.

49147405 is a deficient number, since it is larger than the sum of its proper divisors (9829487).

49147405 is an equidigital number, since it uses as much as digits as its factorization.

49147405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829486.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 49147405 is about 7010.5210220069. The cubic root of 49147405 is about 366.2971424134.

The spelling of 49147405 in words is "forty-nine million, one hundred forty-seven thousand, four hundred five".