1002454252 has 24 divisors (see below), whose sum is σ = 1831460400. Its totient is φ = 479497536.

The previous prime is 1002454247. The next prime is 1002454267. The reversal of 1002454252 is 2524542001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26998 + ... + 52285.

It is an arithmetic number, because the mean of its divisors is an integer number (76310850).

Almost surely, 2^1002454252 is an apocalyptic number.

It is an amenable number.

1002454252 is a deficient number, since it is larger than the sum of its proper divisors (829006148).

1002454252 is a wasteful number, since it uses less digits than its factorization.

1002454252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79425 (or 79423 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1002454252 is about 31661.5579528235. The cubic root of 1002454252 is about 1000.8174156496.

Adding to 1002454252 its reverse (2524542001), we get a palindrome (3526996253).

The spelling of 1002454252 in words is "one billion, two million, four hundred fifty-four thousand, two hundred fifty-two".