253520212 has 24 divisors (see below), whose sum is σ = 484650432. Its totient is φ = 115080000.

The previous prime is 253520207. The next prime is 253520213. The reversal of 253520212 is 212025352.

253520212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253520213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32712 + ... + 39712.

It is an arithmetic number, because the mean of its divisors is an integer number (20193768).

Almost surely, 2^253520212 is an apocalyptic number.

253520212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253520212 is a deficient number, since it is larger than the sum of its proper divisors (231130220).

253520212 is a wasteful number, since it uses less digits than its factorization.

253520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7837 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 253520212 is about 15922.3180473196. The cubic root of 253520212 is about 632.9035472517.

Adding to 253520212 its reverse (212025352), we get a palindrome (465545564).

The spelling of 253520212 in words is "two hundred fifty-three million, five hundred twenty thousand, two hundred twelve".