61253013 has 8 divisors (see below), whose sum is σ = 82086048. Its totient is φ = 40627664.

The previous prime is 61253011. The next prime is 61253039. The reversal of 61253013 is 31035216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61253013 - 2¹ = 61253011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51231 + ... + 52412.

It is an arithmetic number, because the mean of its divisors is an integer number (10260756).

Almost surely, 2^61253013 is an apocalyptic number.

It is an amenable number.

61253013 is a deficient number, since it is larger than the sum of its proper divisors (20833035).

61253013 is a wasteful number, since it uses less digits than its factorization.

61253013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103843.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61253013 is about 7826.4304123911. The cubic root of 61253013 is about 394.1932216395.

Adding to 61253013 its reverse (31035216), we get a palindrome (92288229).

The spelling of 61253013 in words is "sixty-one million, two hundred fifty-three thousand, thirteen".