1551452 has 24 divisors (see below), whose sum is σ = 3153024. Its totient is φ = 654192.

The previous prime is 1551449. The next prime is 1551463. The reversal of 1551452 is 2541551.

It is a happy number.

It is a congruent number.

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, 1463 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (131376).

2^1551452 is an apocalyptic number.

It is an amenable number.

1551452 is an abundant number, since it is smaller than the sum of its proper divisors (1601572).

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

1551452 is a wasteful number, since it uses less digits than its factorization.

1551452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 1551452 is about 1245.5729605286. The cubic root of 1551452 is about 115.7655789029.

Subtracting 1551452 from its reverse (2541551), we obtain a palindrome (990099).

The spelling of 1551452 in words is "one million, five hundred fifty-one thousand, four hundred fifty-two".