1025554212 has 18 divisors (see below), whose sum is σ = 2592373238. Its totient is φ = 341851392.

The previous prime is 1025554163. The next prime is 1025554217. The reversal of 1025554212 is 2124555201.

1025554212 is a `hidden beast` number, since 102 + 5 + 5 + 542 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 673091136 + 352463076 = 25944^2 + 18774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1025554212² = 2103522883501881888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025554217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14243773 + ... + 14243844.

Almost surely, 2^1025554212 is an apocalyptic number.

1025554212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025554212 is an abundant number, since it is smaller than the sum of its proper divisors (1566819026).

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

1025554212 is a wasteful number, since it uses less digits than its factorization.

1025554212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28487627 (or 28487622 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1025554212 is about 32024.2753547992. The cubic root of 1025554212 is about 1008.4465259962.

The spelling of 1025554212 in words is "one billion, twenty-five million, five hundred fifty-four thousand, two hundred twelve".