1254245651 has 8 divisors (see below), whose sum is σ = 1328167680. Its totient is φ = 1181114568.

The previous prime is 1254245617. The next prime is 1254245701. The reversal of 1254245651 is 1565424521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254245651 - 2¹⁰ = 1254244627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254242651) 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, 194471 + ... + 200816.

It is an arithmetic number, because the mean of its divisors is an integer number (166020960).

Almost surely, 2^1254245651 is an apocalyptic number.

1254245651 is a deficient number, since it is larger than the sum of its proper divisors (73922029).

1254245651 is a wasteful number, since it uses less digits than its factorization.

1254245651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395473.

The product of its digits is 48000, while the sum is 35.

The square root of 1254245651 is about 35415.3307340197. The cubic root of 1254245651 is about 1078.4355638595.

The spelling of 1254245651 in words is "one billion, two hundred fifty-four million, two hundred forty-five thousand, six hundred fifty-one".