210401210245 has 8 divisors (see below), whose sum is σ = 253081173240. Its totient is φ = 167921154240.

The previous prime is 210401210237. The next prime is 210401210267. The reversal of 210401210245 is 542012104012.

It can be written as a sum of positive squares in 4 ways, for example, as 9910401601 + 200490808644 = 99551^2 + 447762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210401210245 - 2³ = 210401210237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49974430 + ... + 49978639.

It is an arithmetic number, because the mean of its divisors is an integer number (31635146655).

Almost surely, 2^210401210245 is an apocalyptic number.

It is an amenable number.

210401210245 is a deficient number, since it is larger than the sum of its proper divisors (42679962995).

210401210245 is an equidigital number, since it uses as much as digits as its factorization.

210401210245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99953495.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 210401210245 its reverse (542012104012), we get a palindrome (752413314257).

The spelling of 210401210245 in words is "two hundred ten billion, four hundred one million, two hundred ten thousand, two hundred forty-five".