61454253 has 16 divisors (see below), whose sum is σ = 94613120. Its totient is φ = 34753536.

The previous prime is 61454243. The next prime is 61454257. The reversal of 61454253 is 35245416.

It is not a de Polignac number, because 61454253 - 2¹⁰ = 61453229 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61454253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61454257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13048 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (5913320).

Almost surely, 2^61454253 is an apocalyptic number.

It is an amenable number.

61454253 is a deficient number, since it is larger than the sum of its proper divisors (33158867).

61454253 is a wasteful number, since it uses less digits than its factorization.

61454253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30276.

The product of its digits is 14400, while the sum is 30.

The square root of 61454253 is about 7839.2763058844. The cubic root of 61454253 is about 394.6244424857.

Adding to 61454253 its reverse (35245416), we get a palindrome (96699669).

The spelling of 61454253 in words is "sixty-one million, four hundred fifty-four thousand, two hundred fifty-three".