461253557 has 16 divisors (see below), whose sum is σ = 503493120. Its totient is φ = 420940800.

The previous prime is 461253553. The next prime is 461253589. The reversal of 461253557 is 755352164.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 461253557 - 2² = 461253553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461253557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461253553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135557 + ... + 138917.

It is an arithmetic number, because the mean of its divisors is an integer number (31468320).

Almost surely, 2^461253557 is an apocalyptic number.

It is an amenable number.

461253557 is a deficient number, since it is larger than the sum of its proper divisors (42239563).

461253557 is a wasteful number, since it uses less digits than its factorization.

461253557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644.

The product of its digits is 126000, while the sum is 38.

The square root of 461253557 is about 21476.8144053069. The cubic root of 461253557 is about 772.6448415234.

The spelling of 461253557 in words is "four hundred sixty-one million, two hundred fifty-three thousand, five hundred fifty-seven".