47212425 has 36 divisors (see below), whose sum is σ = 91073164. Its totient is φ = 23241600.

The previous prime is 47212423. The next prime is 47212427. The reversal of 47212425 is 52421274.

It is an interprime number because it is at equal distance from previous prime (47212423) and next prime (47212427).

It can be written as a sum of positive squares in 6 ways, for example, as 6610041 + 40602384 = 2571^2 + 6372^2 .

It is not a de Polignac number, because 47212425 - 2¹ = 47212423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47212423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5146 + ... + 10995.

Almost surely, 2^47212425 is an apocalyptic number.

47212425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47212425 is a deficient number, since it is larger than the sum of its proper divisors (43860739).

47212425 is a wasteful number, since it uses less digits than its factorization.

47212425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170 (or 16162 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 47212425 is about 6871.1298197604. The cubic root of 47212425 is about 361.4254823648.

Adding to 47212425 its reverse (52421274), we get a palindrome (99633699).

The spelling of 47212425 in words is "forty-seven million, two hundred twelve thousand, four hundred twenty-five".