61257454 has 16 divisors (see below), whose sum is σ = 96130800. Its totient is φ = 29237824.

The previous prime is 61257433. The next prime is 61257461. The reversal of 61257454 is 45475216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (6008175).

Almost surely, 2^61257454 is an apocalyptic number.

61257454 is a deficient number, since it is larger than the sum of its proper divisors (34873346).

61257454 is a wasteful number, since it uses less digits than its factorization.

61257454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987.

The product of its digits is 33600, while the sum is 34.

The square root of 61257454 is about 7826.7141253530. The cubic root of 61257454 is about 394.2027480813.

The spelling of 61257454 in words is "sixty-one million, two hundred fifty-seven thousand, four hundred fifty-four".