61253493 has 16 divisors (see below), whose sum is σ = 93488640. Its totient is φ = 34945776.

The previous prime is 61253483. The next prime is 61253501. The reversal of 61253493 is 39435216.

It is not a de Polignac number, because 61253493 - 2⁹ = 61252981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13546 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (5843040).

Almost surely, 2^61253493 is an apocalyptic number.

It is an amenable number.

61253493 is a deficient number, since it is larger than the sum of its proper divisors (32235147).

61253493 is a wasteful number, since it uses less digits than its factorization.

61253493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its digits is 19440, while the sum is 33.

The square root of 61253493 is about 7826.4610776519. The cubic root of 61253493 is about 394.1942513154.

The spelling of 61253493 in words is "sixty-one million, two hundred fifty-three thousand, four hundred ninety-three".