2630545 has 8 divisors (see below), whose sum is σ = 3188520. Its totient is φ = 2083200.

The previous prime is 2630539. The next prime is 2630557. The reversal of 2630545 is 5450362.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 919681 = 1308^2 + 959^2 .

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

It is not a de Polignac number, because 2630545 - 2¹³ = 2622353 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, 2100 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (398565).

2^2630545 is an apocalyptic number.

It is an amenable number.

2630545 is a deficient number, since it is larger than the sum of its proper divisors (557975).

2630545 is a wasteful number, since it uses less digits than its factorization.

2630545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2630545 is about 1621.8954960169. The cubic root of 2630545 is about 138.0432721542.

The spelling of 2630545 in words is "two million, six hundred thirty thousand, five hundred forty-five".