61269225 has 24 divisors (see below), whose sum is σ = 104040960. Its totient is φ = 31792320.

The previous prime is 61269223. The next prime is 61269233. The reversal of 61269225 is 52296216.

It is not a de Polignac number, because 61269225 - 2¹ = 61269223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61269223) 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, 8265 + ... + 13814.

It is an arithmetic number, because the mean of its divisors is an integer number (4335040).

Almost surely, 2^61269225 is an apocalyptic number.

It is an amenable number.

61269225 is a deficient number, since it is larger than the sum of its proper divisors (42771735).

61269225 is a wasteful number, since it uses less digits than its factorization.

61269225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22129 (or 22124 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 61269225 is about 7827.4660650813. The cubic root of 61269225 is about 394.2279959658.

It can be divided in two parts, 6126 and 9225, that added together give a palindrome (15351).

The spelling of 61269225 in words is "sixty-one million, two hundred sixty-nine thousand, two hundred twenty-five".