451416725 has 24 divisors (see below), whose sum is σ = 623888640. Its totient is φ = 321995520.

The previous prime is 451416689. The next prime is 451416727. The reversal of 451416725 is 527614154.

It is not a de Polignac number, because 451416725 - 2²² = 447222421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451416727) 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 23 ways as a sum of consecutive naturals, for example, 19877 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (25995360).

Almost surely, 2^451416725 is an apocalyptic number.

It is an amenable number.

451416725 is a deficient number, since it is larger than the sum of its proper divisors (172471915).

451416725 is a wasteful number, since it uses less digits than its factorization.

451416725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55949 (or 55944 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 451416725 is about 21246.5697231341. The cubic root of 451416725 is about 767.1127749196.

The spelling of 451416725 in words is "four hundred fifty-one million, four hundred sixteen thousand, seven hundred twenty-five".