61454358 has 24 divisors (see below), whose sum is σ = 152173008. Its totient is φ = 17558352.

The previous prime is 61454357. The next prime is 61454381. The reversal of 61454358 is 85345416.

It is a happy number.

61454358 is a `hidden beast` number, since 61 + 4 + 543 + 58 = 666.

61454358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61454357) 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 11 ways as a sum of consecutive naturals, for example, 243741 + ... + 243992.

It is an arithmetic number, because the mean of its divisors is an integer number (6340542).

Almost surely, 2^61454358 is an apocalyptic number.

61454358 is an abundant number, since it is smaller than the sum of its proper divisors (90718650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61454358 is a wasteful number, since it uses less digits than its factorization.

61454358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487748 (or 487745 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 61454358 is about 7839.2830029283. The cubic root of 61454358 is about 394.6246672358.

The spelling of 61454358 in words is "sixty-one million, four hundred fifty-four thousand, three hundred fifty-eight".