61301253 has 8 divisors (see below), whose sum is σ = 88022368. Its totient is φ = 37723824.

The previous prime is 61301237. The next prime is 61301281. The reversal of 61301253 is 35210316.

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

It is not a de Polignac number, because 61301253 - 2⁴ = 61301237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61301213) 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, 785875 + ... + 785952.

It is an arithmetic number, because the mean of its divisors is an integer number (11002796).

Almost surely, 2^61301253 is an apocalyptic number.

It is an amenable number.

61301253 is a deficient number, since it is larger than the sum of its proper divisors (26721115).

61301253 is a wasteful number, since it uses less digits than its factorization.

61301253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571843.

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

The square root of 61301253 is about 7829.5116705961. The cubic root of 61301253 is about 394.2966771827.

Adding to 61301253 its reverse (35210316), we get a palindrome (96511569).

The spelling of 61301253 in words is "sixty-one million, three hundred one thousand, two hundred fifty-three".