61909354 has 16 divisors (see below), whose sum is σ = 100154880. Its totient is φ = 28531440.

The previous prime is 61909343. The next prime is 61909357. The reversal of 61909354 is 45390916.

61909354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61909354² = 7665536225394632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61909357) 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, 22599 + ... + 25189.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2^61909354 is an apocalyptic number.

61909354 is a deficient number, since it is larger than the sum of its proper divisors (38245526).

61909354 is a wasteful number, since it uses less digits than its factorization.

61909354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 61909354 is about 7868.2497418422. The cubic root of 61909354 is about 395.5961813831.

The spelling of 61909354 in words is "sixty-one million, nine hundred nine thousand, three hundred fifty-four".