6525892745461 has 4 divisors (see below), whose sum is σ = 6569690683500. Its totient is φ = 6482094807424.

The previous prime is 6525892745447. The next prime is 6525892745549. The reversal of 6525892745461 is 1645472985256.

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 515819858436 + 6010072887025 = 718206^2 + 2451545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6525892745461 - 2¹³ = 6525892737269 is a prime.

It is a super-2 number, since 2×6525892745461² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6525892745393 and 6525892745402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525892775461) 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, 21898968796 + ... + 21898969093.

It is an arithmetic number, because the mean of its divisors is an integer number (1642422670875).

Almost surely, 2^{6525892745461} is an apocalyptic number.

It is an amenable number.

6525892745461 is a deficient number, since it is larger than the sum of its proper divisors (43797938039).

6525892745461 is a wasteful number, since it uses less digits than its factorization.

6525892745461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43797938038.

The product of its digits is 145152000, while the sum is 64.

The spelling of 6525892745461 in words is "six trillion, five hundred twenty-five billion, eight hundred ninety-two million, seven hundred forty-five thousand, four hundred sixty-one".