45002501 has 4 divisors (see below), whose sum is σ = 45326400. Its totient is φ = 44678604.

The previous prime is 45002497. The next prime is 45002521. The reversal of 45002501 is 10520054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45002501 - 2² = 45002497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45002501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45002521) 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, 161741 + ... + 162018.

It is an arithmetic number, because the mean of its divisors is an integer number (11331600).

Almost surely, 2^45002501 is an apocalyptic number.

It is an amenable number.

45002501 is a deficient number, since it is larger than the sum of its proper divisors (323899).

45002501 is a wasteful number, since it uses less digits than its factorization.

45002501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323898.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 45002501 is about 6708.3903434431. The cubic root of 45002501 is about 355.6959198011.

Adding to 45002501 its reverse (10520054), we get a palindrome (55522555).

The spelling of 45002501 in words is "forty-five million, two thousand, five hundred one".