212450425 has 24 divisors (see below), whose sum is σ = 299891520. Its totient is φ = 147787200.

The previous prime is 212450423. The next prime is 212450437. The reversal of 212450425 is 524054212.

It is not a de Polignac number, because 212450425 - 2¹ = 212450423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 212450425.

It is not an unprimeable number, because it can be changed into a prime (212450423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10470 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (12495480).

Almost surely, 2^212450425 is an apocalyptic number.

212450425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212450425 is a deficient number, since it is larger than the sum of its proper divisors (87441095).

212450425 is a wasteful number, since it uses less digits than its factorization.

212450425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33633 (or 33628 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 212450425 is about 14575.6792294562. The cubic root of 212450425 is about 596.6951869198.

The spelling of 212450425 in words is "two hundred twelve million, four hundred fifty thousand, four hundred twenty-five".