525554045 has 4 divisors (see below), whose sum is σ = 630664860. Its totient is φ = 420443232.

The previous prime is 525554033. The next prime is 525554077. The reversal of 525554045 is 540455525.

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 274299844 + 251254201 = 16562^2 + 15851^2 .

It is a cyclic number.

It is not a de Polignac number, because 525554045 - 2⁶ = 525553981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525553996 and 525554014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52555400 + ... + 52555409.

It is an arithmetic number, because the mean of its divisors is an integer number (157666215).

Almost surely, 2^525554045 is an apocalyptic number.

It is an amenable number.

525554045 is a deficient number, since it is larger than the sum of its proper divisors (105110815).

525554045 is a wasteful number, since it uses less digits than its factorization.

525554045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105110814.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 525554045 is about 22924.9655397778. The cubic root of 525554045 is about 806.9980048544.

The spelling of 525554045 in words is "five hundred twenty-five million, five hundred fifty-four thousand, forty-five".