47351506 has 4 divisors (see below), whose sum is σ = 71027262. Its totient is φ = 23675752.

The previous prime is 47351501. The next prime is 47351531. The reversal of 47351506 is 60515374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60515374 = 2 ⋅30257687.

It can be written as a sum of positive squares in only one way, i.e., 32024281 + 15327225 = 5659^2 + 3915^2 .

It is not an unprimeable number, because it can be changed into a prime (47351501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11837875 + ... + 11837878.

Almost surely, 2^47351506 is an apocalyptic number.

47351506 is a deficient number, since it is larger than the sum of its proper divisors (23675756).

47351506 is a wasteful number, since it uses less digits than its factorization.

47351506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23675755.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 47351506 is about 6881.2430563089. The cubic root of 47351506 is about 361.7800368982.

It can be divided in two parts, 4735 and 1506, that added together give a square (6241 = 79²).

The spelling of 47351506 in words is "forty-seven million, three hundred fifty-one thousand, five hundred six".