45353251 has 4 divisors (see below), whose sum is σ = 45372600. Its totient is φ = 45333904.

The previous prime is 45353237. The next prime is 45353281. The reversal of 45353251 is 15235354.

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 45353251 - 2⁹ = 45352739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45353201) 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, 5581 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (11343150).

Almost surely, 2^45353251 is an apocalyptic number.

45353251 is a deficient number, since it is larger than the sum of its proper divisors (19349).

45353251 is a wasteful number, since it uses less digits than its factorization.

45353251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19348.

The product of its digits is 9000, while the sum is 28.

The square root of 45353251 is about 6734.4822369652. The cubic root of 45353251 is about 356.6176286654.

The spelling of 45353251 in words is "forty-five million, three hundred fifty-three thousand, two hundred fifty-one".