525455197829 has 4 divisors (see below), whose sum is σ = 526525371840. Its totient is φ = 524385023820.

The previous prime is 525455197793. The next prime is 525455197849. The reversal of 525455197829 is 928791554525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525455197829 - 2³⁶ = 456735721093 is a prime.

It is a super-2 number, since 2×525455197829² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525455197849) 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, 535086269 + ... + 535087250.

It is an arithmetic number, because the mean of its divisors is an integer number (131631342960).

Almost surely, 2^525455197829 is an apocalyptic number.

It is an amenable number.

525455197829 is a deficient number, since it is larger than the sum of its proper divisors (1070174011).

525455197829 is a wasteful number, since it uses less digits than its factorization.

525455197829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070174010.

The product of its digits is 45360000, while the sum is 62.

The spelling of 525455197829 in words is "five hundred twenty-five billion, four hundred fifty-five million, one hundred ninety-seven thousand, eight hundred twenty-nine".