425535511 has 2 divisors, whose sum is σ = 425535512. Its totient is φ = 425535510.

The previous prime is 425535493. The next prime is 425535577. The reversal of 425535511 is 115535524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425535511 - 2⁵ = 425535479 is a prime.

It is a super-2 number, since 2×425535511² = 362160942244062242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425515511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212767755 + 212767756.

It is an arithmetic number, because the mean of its divisors is an integer number (212767756).

Almost surely, 2^425535511 is an apocalyptic number.

425535511 is a deficient number, since it is larger than the sum of its proper divisors (1).

425535511 is an equidigital number, since it uses as much as digits as its factorization.

425535511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15000, while the sum is 31.

The square root of 425535511 is about 20628.5120888541. The cubic root of 425535511 is about 752.1629479157.

The spelling of 425535511 in words is "four hundred twenty-five million, five hundred thirty-five thousand, five hundred eleven".