61019497 has 8 divisors (see below), whose sum is σ = 76076352. Its totient is φ = 47547600.

The previous prime is 61019479. The next prime is 61019503. The reversal of 61019497 is 79491016.

61019497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61019497 - 2⁷ = 61019369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61019417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396154 + ... + 396307.

It is an arithmetic number, because the mean of its divisors is an integer number (9509544).

Almost surely, 2^61019497 is an apocalyptic number.

It is an amenable number.

61019497 is a deficient number, since it is larger than the sum of its proper divisors (15056855).

61019497 is a wasteful number, since it uses less digits than its factorization.

61019497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792479.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 61019497 is about 7811.4977437109. The cubic root of 61019497 is about 393.6916536709.

It can be divided in two parts, 61019 and 497, that added together give a palindrome (61516).

The spelling of 61019497 in words is "sixty-one million, nineteen thousand, four hundred ninety-seven".