61490355 has 8 divisors (see below), whose sum is σ = 98384592. Its totient is φ = 32794848.

The previous prime is 61490333. The next prime is 61490383. The reversal of 61490355 is 55309416.

It is a happy number.

61490355 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 not a de Polignac number, because 61490355 - 2⁷ = 61490227 is a prime.

It is an unprimeable number.

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, 2049664 + ... + 2049693.

It is an arithmetic number, because the mean of its divisors is an integer number (12298074).

Almost surely, 2^61490355 is an apocalyptic number.

61490355 is a deficient number, since it is larger than the sum of its proper divisors (36894237).

61490355 is a wasteful number, since it uses less digits than its factorization.

61490355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099365.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 61490355 is about 7841.5786038272. The cubic root of 61490355 is about 394.7017028978.

The spelling of 61490355 in words is "sixty-one million, four hundred ninety thousand, three hundred fifty-five".