213405302050425 has 36 divisors (see below), whose sum is σ = 386837819847024. Its totient is φ = 112444882034400.

The previous prime is 213405302050411. The next prime is 213405302050429. The reversal of 213405302050425 is 524050203504312.

213405302050425 is a `hidden beast` number, since 2 + 1 + 3 + 405 + 3 + 0 + 205 + 0 + 42 + 5 = 666.

213405302050425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213405302050425 - 2⁸ = 213405302050169 is a prime.

It is a super-3 number, since 3×213405302050425³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213405302050425.

It is not an unprimeable number, because it can be changed into a prime (213405302050429) 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, 5713644031 + ... + 5713681380.

Almost surely, 2^{213405302050425} is an apocalyptic number.

213405302050425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213405302050425 is a deficient number, since it is larger than the sum of its proper divisors (173432517796599).

213405302050425 is a wasteful number, since it uses less digits than its factorization.

213405302050425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427325510 (or 11427325502 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 213405302050425 its reverse (524050203504312), we get a palindrome (737455505554737).

The spelling of 213405302050425 in words is "two hundred thirteen trillion, four hundred five billion, three hundred two million, fifty thousand, four hundred twenty-five".