61546253 has 4 divisors (see below), whose sum is σ = 63531648. Its totient is φ = 59560860.

The previous prime is 61546237. The next prime is 61546271. The reversal of 61546253 is 35264516.

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 61546253 - 2⁴ = 61546237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61546213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992651 + ... + 992712.

It is an arithmetic number, because the mean of its divisors is an integer number (15882912).

Almost surely, 2^61546253 is an apocalyptic number.

It is an amenable number.

61546253 is a deficient number, since it is larger than the sum of its proper divisors (1985395).

61546253 is a wasteful number, since it uses less digits than its factorization.

61546253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985394.

The product of its digits is 21600, while the sum is 32.

The square root of 61546253 is about 7845.1419999895. The cubic root of 61546253 is about 394.8212682815.

The spelling of 61546253 in words is "sixty-one million, five hundred forty-six thousand, two hundred fifty-three".