1254565652 has 6 divisors (see below), whose sum is σ = 2195489898. Its totient is φ = 627282824.

The previous prime is 1254565639. The next prime is 1254565673. The reversal of 1254565652 is 2565654521.

It can be written as a sum of positive squares in only one way, i.e., 1196744836 + 57820816 = 34594^2 + 7604^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156820703 + ... + 156820710.

It is an arithmetic number, because the mean of its divisors is an integer number (365914983).

Almost surely, 2^1254565652 is an apocalyptic number.

It is an amenable number.

1254565652 is a deficient number, since it is larger than the sum of its proper divisors (940924246).

1254565652 is a wasteful number, since it uses less digits than its factorization.

1254565652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313641417 (or 313641415 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

The square root of 1254565652 is about 35419.8482774842. The cubic root of 1254565652 is about 1078.5272713369.

The spelling of 1254565652 in words is "one billion, two hundred fifty-four million, five hundred sixty-five thousand, six hundred fifty-two".