202501261 has 4 divisors (see below), whose sum is σ = 202904352. Its totient is φ = 202098172.

The previous prime is 202501237. The next prime is 202501267. The reversal of 202501261 is 162105202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202501261 - 2⁷ = 202501133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202501267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200791 + ... + 201796.

It is an arithmetic number, because the mean of its divisors is an integer number (50726088).

Almost surely, 2^202501261 is an apocalyptic number.

It is an amenable number.

202501261 is a deficient number, since it is larger than the sum of its proper divisors (403091).

202501261 is an equidigital number, since it uses as much as digits as its factorization.

202501261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403090.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 202501261 is about 14230.2937777124. The cubic root of 202501261 is about 587.2313650983.

Adding to 202501261 its reverse (162105202), we get a palindrome (364606463).

The spelling of 202501261 in words is "two hundred two million, five hundred one thousand, two hundred sixty-one".