2598453261 has 6 divisors (see below), whose sum is σ = 3753321390. Its totient is φ = 1732302168.

The previous prime is 2598453259. The next prime is 2598453283. The reversal of 2598453261 is 1623548952.

2598453261 is a `hidden beast` number, since 2 + 59 + 8 + 4 + 532 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1807100100 + 791353161 = 42510^2 + 28131^2 .

It is not a de Polignac number, because 2598453261 - 2¹ = 2598453259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598453211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144358506 + ... + 144358523.

It is an arithmetic number, because the mean of its divisors is an integer number (625553565).

Almost surely, 2^2598453261 is an apocalyptic number.

It is an amenable number.

2598453261 is a deficient number, since it is larger than the sum of its proper divisors (1154868129).

2598453261 is a wasteful number, since it uses less digits than its factorization.

2598453261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288717035 (or 288717032 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 2598453261 is about 50975.0258558051. The cubic root of 2598453261 is about 1374.7961370046.

The spelling of 2598453261 in words is "two billion, five hundred ninety-eight million, four hundred fifty-three thousand, two hundred sixty-one".