2501997285 has 8 divisors (see below), whose sum is σ = 4003195680. Its totient is φ = 1334398544.

The previous prime is 2501997263. The next prime is 2501997307. The reversal of 2501997285 is 5827991052.

It is an interprime number because it is at equal distance from previous prime (2501997263) and next prime (2501997307).

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

It is a cyclic number.

It is not a de Polignac number, because 2501997285 - 2⁹ = 2501996773 is a prime.

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, 83399895 + ... + 83399924.

It is an arithmetic number, because the mean of its divisors is an integer number (500399460).

Almost surely, 2^2501997285 is an apocalyptic number.

It is an amenable number.

2501997285 is a deficient number, since it is larger than the sum of its proper divisors (1501198395).

2501997285 is a wasteful number, since it uses less digits than its factorization.

2501997285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166799827.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2501997285 is about 50019.9688624453. The cubic root of 2501997285 is about 1357.5701431287.

The spelling of 2501997285 in words is "two billion, five hundred one million, nine hundred ninety-seven thousand, two hundred eighty-five".