202501045 has 4 divisors (see below), whose sum is σ = 243001260. Its totient is φ = 162000832.

The previous prime is 202500971. The next prime is 202501063. The reversal of 202501045 is 540105202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44395569 + 158105476 = 6663^2 + 12574^2 .

It is a cyclic number.

It is not a de Polignac number, because 202501045 - 2²⁷ = 68283317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20250100 + ... + 20250109.

It is an arithmetic number, because the mean of its divisors is an integer number (60750315).

Almost surely, 2^202501045 is an apocalyptic number.

It is an amenable number.

202501045 is a deficient number, since it is larger than the sum of its proper divisors (40500215).

202501045 is an equidigital number, since it uses as much as digits as its factorization.

202501045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40500214.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 202501045 is about 14230.2861882676. The cubic root of 202501045 is about 587.2311563061.

Adding to 202501045 its reverse (540105202), we get a palindrome (742606247).

The spelling of 202501045 in words is "two hundred two million, five hundred one thousand, forty-five".