2623261245 has 128 divisors (see below), whose sum is σ = 5008988160. Its totient is φ = 1167795200.

The previous prime is 2623261229. The next prime is 2623261271. The reversal of 2623261245 is 5421623262.

It is a happy number.

It is not a de Polignac number, because 2623261245 - 2⁴ = 2623261229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20024830 + ... + 20024960.

It is an arithmetic number, because the mean of its divisors is an integer number (39132720).

Almost surely, 2^2623261245 is an apocalyptic number.

It is an amenable number.

2623261245 is a deficient number, since it is larger than the sum of its proper divisors (2385726915).

2623261245 is a wasteful number, since it uses less digits than its factorization.

2623261245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 226 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 2623261245 is about 51217.7825076408. The cubic root of 2623261245 is about 1379.1574435704.

The spelling of 2623261245 in words is "two billion, six hundred twenty-three million, two hundred sixty-one thousand, two hundred forty-five".