2545607 has 4 divisors (see below), whose sum is σ = 2551920. Its totient is φ = 2539296.

The previous prime is 2545603. The next prime is 2545619. The reversal of 2545607 is 7065452.

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

It is a cyclic number.

It is not a de Polignac number, because 2545607 - 2² = 2545603 is a prime.

It is a super-2 number, since 2×2545607² = 12960229996898, which contains 22 as substring.

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 2545607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545603) 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, 2507 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (637980).

2^2545607 is an apocalyptic number.

2545607 is a deficient number, since it is larger than the sum of its proper divisors (6313).

2545607 is an equidigital number, since it uses as much as digits as its factorization.

2545607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2545607 is about 1595.4958476912. The cubic root of 2545607 is about 136.5412220582.

The spelling of 2545607 in words is "two million, five hundred forty-five thousand, six hundred seven".