87451401 has 8 divisors (see below), whose sum is σ = 119445984. Its totient is φ = 56878880.

The previous prime is 87451381. The next prime is 87451409. The reversal of 87451401 is 10415478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87451401 - 2⁶ = 87451337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87451409) 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 7 ways as a sum of consecutive naturals, for example, 355371 + ... + 355616.

It is an arithmetic number, because the mean of its divisors is an integer number (14930748).

Almost surely, 2^87451401 is an apocalyptic number.

It is an amenable number.

87451401 is a deficient number, since it is larger than the sum of its proper divisors (31994583).

87451401 is a wasteful number, since it uses less digits than its factorization.

87451401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711031.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 87451401 is about 9351.5453803101. The cubic root of 87451401 is about 443.8697927989.

Adding to 87451401 its reverse (10415478), we get a palindrome (97866879).

The spelling of 87451401 in words is "eighty-seven million, four hundred fifty-one thousand, four hundred one".