61010253 has 12 divisors (see below), whose sum is σ = 91390208. Its totient is φ = 40673340.

The previous prime is 61010233. The next prime is 61010269. The reversal of 61010253 is 35201016.

61010253 is a `hidden beast` number, since 610 + 1 + 0 + 2 + 53 = 666.

It is not a de Polignac number, because 61010253 - 2⁵ = 61010221 is a prime.

It is a super-3 number, since 3×61010253³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61010203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125293 + ... + 125778.

Almost surely, 2^61010253 is an apocalyptic number.

It is an amenable number.

61010253 is a deficient number, since it is larger than the sum of its proper divisors (30379955).

61010253 is an equidigital number, since it uses as much as digits as its factorization.

61010253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251086 (or 251074 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 61010253 is about 7810.9060293925. The cubic root of 61010253 is about 393.6717722143.

Adding to 61010253 its reverse (35201016), we get a palindrome (96211269).

The spelling of 61010253 in words is "sixty-one million, ten thousand, two hundred fifty-three".