947485351 has 4 divisors (see below), whose sum is σ = 947562304. Its totient is φ = 947408400.

The previous prime is 947485337. The next prime is 947485373. The reversal of 947485351 is 153584749.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 153584749 = 17 ⋅9034397.

It is a 4-Lehmer number, since φ(947485351) divides (947485351-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 947485351 - 2⁷ = 947485223 is a prime.

It is a deceptive number, since it divides R_947485350.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947485051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15390 + ... + 46171.

It is an arithmetic number, because the mean of its divisors is an integer number (236890576).

Almost surely, 2^947485351 is an apocalyptic number.

947485351 is the 15391-st decagonal number.

947485351 is a deficient number, since it is larger than the sum of its proper divisors (76953).

947485351 is a wasteful number, since it uses less digits than its factorization.

947485351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76952.

The product of its digits is 604800, while the sum is 46.

The square root of 947485351 is about 30781.2499908629. The cubic root of 947485351 is about 982.1794307538.

The spelling of 947485351 in words is "nine hundred forty-seven million, four hundred eighty-five thousand, three hundred fifty-one".