5654405251 has 4 divisors (see below), whose sum is σ = 6168442104. Its totient is φ = 5140368400.

The previous prime is 5654405249. The next prime is 5654405291. The reversal of 5654405251 is 1525044565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5654405251 - 2¹ = 5654405249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5654405251.

It is not an unprimeable number, because it can be changed into a prime (5654405291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257018410 + ... + 257018431.

It is an arithmetic number, because the mean of its divisors is an integer number (1542110526).

Almost surely, 2^5654405251 is an apocalyptic number.

5654405251 is a deficient number, since it is larger than the sum of its proper divisors (514036853).

5654405251 is a wasteful number, since it uses less digits than its factorization.

5654405251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514036852.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 5654405251 is about 75195.7794759786. The cubic root of 5654405251 is about 1781.5402704366.

The spelling of 5654405251 in words is "five billion, six hundred fifty-four million, four hundred five thousand, two hundred fifty-one".