525461407 has 2 divisors, whose sum is σ = 525461408. Its totient is φ = 525461406.

The previous prime is 525461399. The next prime is 525461459. The reversal of 525461407 is 704164525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525461407 - 2³ = 525461399 is a prime.

It is a super-2 number, since 2×525461407² = 552219380492839298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525462407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262730703 + 262730704.

It is an arithmetic number, because the mean of its divisors is an integer number (262730704).

Almost surely, 2^525461407 is an apocalyptic number.

525461407 is a deficient number, since it is larger than the sum of its proper divisors (1).

525461407 is an equidigital number, since it uses as much as digits as its factorization.

525461407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 525461407 is about 22922.9449896823. The cubic root of 525461407 is about 806.9505862779.

The spelling of 525461407 in words is "five hundred twenty-five million, four hundred sixty-one thousand, four hundred seven".