1825831452 has 24 divisors (see below), whose sum is σ = 4375416976. Its totient is φ = 592161408.

The previous prime is 1825831369. The next prime is 1825831453. The reversal of 1825831452 is 2541385281.

It is a super-2 number, since 2×1825831452² = 6667320982224856608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1825831452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825831453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055673 + ... + 2056560.

Almost surely, 2^1825831452 is an apocalyptic number.

1825831452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1825831452 is an abundant number, since it is smaller than the sum of its proper divisors (2549585524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1825831452 is a wasteful number, since it uses less digits than its factorization.

1825831452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112277 (or 4112275 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 1825831452 is about 42729.7490280484. The cubic root of 1825831452 is about 1222.2317503108.

The spelling of 1825831452 in words is "one billion, eight hundred twenty-five million, eight hundred thirty-one thousand, four hundred fifty-two".