61240454 has 8 divisors (see below), whose sum is σ = 100211688. Its totient is φ = 27836560.

The previous prime is 61240453. The next prime is 61240537. The reversal of 61240454 is 45404216.

61240454 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 super-2 number, since 2×61240454² = 7500786412252232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61240453) 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 3 ways as a sum of consecutive naturals, for example, 1391807 + ... + 1391850.

It is an arithmetic number, because the mean of its divisors is an integer number (12526461).

Almost surely, 2^61240454 is an apocalyptic number.

61240454 is a deficient number, since it is larger than the sum of its proper divisors (38971234).

61240454 is a wasteful number, since it uses less digits than its factorization.

61240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783670.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 61240454 is about 7825.6280259159. The cubic root of 61240454 is about 394.1662786870.

The spelling of 61240454 in words is "sixty-one million, two hundred forty thousand, four hundred fifty-four".