525412477 has 4 divisors (see below), whose sum is σ = 525862336. Its totient is φ = 524962620.

The previous prime is 525412457. The next prime is 525412487. The reversal of 525412477 is 774214525.

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 525412477 - 2¹⁵ = 525379709 is a prime.

It is a super-3 number, since 3×525412477³ (a number of 27 digits) contains 333 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 (525412427) 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, 223173 + ... + 225514.

It is an arithmetic number, because the mean of its divisors is an integer number (131465584).

Almost surely, 2^525412477 is an apocalyptic number.

It is an amenable number.

525412477 is a deficient number, since it is larger than the sum of its proper divisors (449859).

525412477 is a wasteful number, since it uses less digits than its factorization.

525412477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449858.

The product of its digits is 78400, while the sum is 37.

The square root of 525412477 is about 22921.8776935922. The cubic root of 525412477 is about 806.9255382488.

The spelling of 525412477 in words is "five hundred twenty-five million, four hundred twelve thousand, four hundred seventy-seven".