2513554397 has 4 divisors (see below), whose sum is σ = 2661410556. Its totient is φ = 2365698240.

The previous prime is 2513554391. The next prime is 2513554399. The reversal of 2513554397 is 7934553152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2168858041 + 344696356 = 46571^2 + 18566^2 .

It is not a de Polignac number, because 2513554397 - 2³⁰ = 1439812573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513554391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73928054 + ... + 73928087.

It is an arithmetic number, because the mean of its divisors is an integer number (665352639).

Almost surely, 2^2513554397 is an apocalyptic number.

It is an amenable number.

2513554397 is a deficient number, since it is larger than the sum of its proper divisors (147856159).

2513554397 is a wasteful number, since it uses less digits than its factorization.

2513554397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147856158.

The product of its digits is 567000, while the sum is 44.

The square root of 2513554397 is about 50135.3607446880. The cubic root of 2513554397 is about 1359.6572083361.

The spelling of 2513554397 in words is "two billion, five hundred thirteen million, five hundred fifty-four thousand, three hundred ninety-seven".