1254523998 has 64 divisors (see below), whose sum is σ = 3171571200. Its totient is φ = 321916032.

The previous prime is 1254523997. The next prime is 1254524041. The reversal of 1254523998 is 8993254521.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254523997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10848 + ... + 51251.

It is an arithmetic number, because the mean of its divisors is an integer number (49555800).

Almost surely, 2^1254523998 is an apocalyptic number.

1254523998 is an abundant number, since it is smaller than the sum of its proper divisors (1917047202).

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

1254523998 is a wasteful number, since it uses less digits than its factorization.

1254523998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62161.

The product of its digits is 777600, while the sum is 48.

The square root of 1254523998 is about 35419.2602689554. The cubic root of 1254523998 is about 1078.5153348094.

It can be divided in two parts, 1254523 and 998, that added together give a palindrome (1255521).

The spelling of 1254523998 in words is "one billion, two hundred fifty-four million, five hundred twenty-three thousand, nine hundred ninety-eight".