2500022545 has 8 divisors (see below), whose sum is σ = 3038002560. Its totient is φ = 1974701040.

The previous prime is 2500022479. The next prime is 2500022557. The reversal of 2500022545 is 5452200052.

It is a happy number.

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

It is not a de Polignac number, because 2500022545 - 2¹³ = 2500014353 is a prime.

It is a super-2 number, since 2×2500022545² = 12500225451016554050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164191 + ... + 3164980.

It is an arithmetic number, because the mean of its divisors is an integer number (379750320).

Almost surely, 2^2500022545 is an apocalyptic number.

It is an amenable number.

2500022545 is a deficient number, since it is larger than the sum of its proper divisors (537980015).

2500022545 is an equidigital number, since it uses as much as digits as its factorization.

2500022545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329255.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2500022545 is about 50000.2254494917. The cubic root of 2500022545 is about 1357.2128880549.

Adding to 2500022545 its reverse (5452200052), we get a palindrome (7952222597).

The spelling of 2500022545 in words is "two billion, five hundred million, twenty-two thousand, five hundred forty-five".