1255400052 has 24 divisors (see below), whose sum is σ = 2934157632. Its totient is φ = 417768000.

The previous prime is 1255400051. The next prime is 1255400101. The reversal of 1255400052 is 2500045521.

It is a happy number.

1255400052 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1255399995 and 1255400031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255400051) 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, 79824 + ... + 94247.

It is an arithmetic number, because the mean of its divisors is an integer number (122256568).

Almost surely, 2^1255400052 is an apocalyptic number.

1255400052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255400052 is an abundant number, since it is smaller than the sum of its proper divisors (1678757580).

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

1255400052 is a wasteful number, since it uses less digits than its factorization.

1255400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174679 (or 174677 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1255400052 is about 35431.6250262389. The cubic root of 1255400052 is about 1078.7663245150.

Adding to 1255400052 its reverse (2500045521), we get a palindrome (3755445573).

The spelling of 1255400052 in words is "one billion, two hundred fifty-five million, four hundred thousand, fifty-two".