1254511025 has 12 divisors (see below), whose sum is σ = 1591771632. Its totient is φ = 980268240.

The previous prime is 1254511021. The next prime is 1254511033. The reversal of 1254511025 is 5201154521.

It is not a de Polignac number, because 1254511025 - 2² = 1254511021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254510985 and 1254511003.

It is not an unprimeable number, because it can be changed into a prime (1254511021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582419 + ... + 584568.

It is an arithmetic number, because the mean of its divisors is an integer number (132647636).

Almost surely, 2^1254511025 is an apocalyptic number.

It is an amenable number.

1254511025 is a deficient number, since it is larger than the sum of its proper divisors (337260607).

1254511025 is a wasteful number, since it uses less digits than its factorization.

1254511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167040 (or 1167035 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1254511025 is about 35419.0771336578. The cubic root of 1254511025 is about 1078.5116171636.

Adding to 1254511025 its reverse (5201154521), we get a palindrome (6455665546).

The spelling of 1254511025 in words is "one billion, two hundred fifty-four million, five hundred eleven thousand, twenty-five".