2501420045 has 8 divisors (see below), whose sum is σ = 3074916600. Its totient is φ = 1952327680.

The previous prime is 2501420029. The next prime is 2501420059. The reversal of 2501420045 is 5400241052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 162537001 + 2338883044 = 12749^2 + 48362^2 .

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

It is not a de Polignac number, because 2501420045 - 2⁴ = 2501420029 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2501420045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100820 + ... + 6101229.

It is an arithmetic number, because the mean of its divisors is an integer number (384364575).

Almost surely, 2^2501420045 is an apocalyptic number.

It is an amenable number.

2501420045 is a deficient number, since it is larger than the sum of its proper divisors (573496555).

2501420045 is a wasteful number, since it uses less digits than its factorization.

2501420045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12202095.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2501420045 is about 50014.1984340447. The cubic root of 2501420045 is about 1357.4657326687.

Adding to 2501420045 its reverse (5400241052), we get a palindrome (7901661097).

The spelling of 2501420045 in words is "two billion, five hundred one million, four hundred twenty thousand, forty-five".