470387531 has 4 divisors (see below), whose sum is σ = 478098864. Its totient is φ = 462676200.

The previous prime is 470387527. The next prime is 470387551. The reversal of 470387531 is 135783074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 470387531 - 2² = 470387527 is a prime.

It is a super-2 number, since 2×470387531² = 442528858640551922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470387551) 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, 3855575 + ... + 3855696.

It is an arithmetic number, because the mean of its divisors is an integer number (119524716).

Almost surely, 2^470387531 is an apocalyptic number.

470387531 is a deficient number, since it is larger than the sum of its proper divisors (7711333).

470387531 is an equidigital number, since it uses as much as digits as its factorization.

470387531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711332.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 470387531 is about 21688.4192831105. The cubic root of 470387531 is about 777.7116422216.

The spelling of 470387531 in words is "four hundred seventy million, three hundred eighty-seven thousand, five hundred thirty-one".