2501001455 has 4 divisors (see below), whose sum is σ = 3001201752. Its totient is φ = 2000801160.

The previous prime is 2501001449. The next prime is 2501001469. The reversal of 2501001455 is 5541001052.

It is a happy number.

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

It is not a de Polignac number, because 2501001455 - 2¹⁰ = 2501000431 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 2501001455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250100141 + ... + 250100150.

It is an arithmetic number, because the mean of its divisors is an integer number (750300438).

Almost surely, 2^2501001455 is an apocalyptic number.

2501001455 is a deficient number, since it is larger than the sum of its proper divisors (500200297).

2501001455 is an equidigital number, since it uses as much as digits as its factorization.

2501001455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500200296.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2501001455 is about 50010.0135472887. The cubic root of 2501001455 is about 1357.3900085774.

The spelling of 2501001455 in words is "two billion, five hundred one million, one thousand, four hundred fifty-five".