47253345 has 32 divisors (see below), whose sum is σ = 78697344. Its totient is φ = 24192000.

The previous prime is 47253337. The next prime is 47253373. The reversal of 47253345 is 54335274.

It is not a de Polignac number, because 47253345 - 2³ = 47253337 is a prime.

It is a super-2 number, since 2×47253345² = 4465757227378050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38745 + ... + 39945.

It is an arithmetic number, because the mean of its divisors is an integer number (2459292).

Almost surely, 2^47253345 is an apocalyptic number.

It is an amenable number.

47253345 is a deficient number, since it is larger than the sum of its proper divisors (31443999).

47253345 is a wasteful number, since it uses less digits than its factorization.

47253345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 50400, while the sum is 33.

The square root of 47253345 is about 6874.1068510753. The cubic root of 47253345 is about 361.5298705635.

The spelling of 47253345 in words is "forty-seven million, two hundred fifty-three thousand, three hundred forty-five".