315021452 has 12 divisors (see below), whose sum is σ = 554589840. Its totient is φ = 156567216.

The previous prime is 315021449. The next prime is 315021479. The reversal of 315021452 is 254120513.

It is an unprimeable number.

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, 235127 + ... + 236462.

It is an arithmetic number, because the mean of its divisors is an integer number (46215820).

Almost surely, 2^315021452 is an apocalyptic number.

It is an amenable number.

315021452 is a deficient number, since it is larger than the sum of its proper divisors (239568388).

315021452 is a wasteful number, since it uses less digits than its factorization.

315021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471760 (or 471758 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 315021452 is about 17748.8436806458. The cubic root of 315021452 is about 680.4246568938.

Adding to 315021452 its reverse (254120513), we get a palindrome (569141965).

The spelling of 315021452 in words is "three hundred fifteen million, twenty-one thousand, four hundred fifty-two".