61353799 has 16 divisors (see below), whose sum is σ = 70936992. Its totient is φ = 52558848.

The previous prime is 61353781. The next prime is 61353839. The reversal of 61353799 is 99735316.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61353799 - 2⁹ = 61353287 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 (61353749) 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, 14232 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (4433562).

Almost surely, 2^61353799 is an apocalyptic number.

61353799 is a deficient number, since it is larger than the sum of its proper divisors (9583193).

61353799 is a wasteful number, since it uses less digits than its factorization.

61353799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906.

The product of its digits is 153090, while the sum is 43.

The square root of 61353799 is about 7832.8665889315. The cubic root of 61353799 is about 394.4093056371.

The spelling of 61353799 in words is "sixty-one million, three hundred fifty-three thousand, seven hundred ninety-nine".