425403511 has 8 divisors (see below), whose sum is σ = 465892560. Its totient is φ = 386023872.

The previous prime is 425403499. The next prime is 425403547. The reversal of 425403511 is 115304524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425403511 - 2⁵ = 425403479 is a prime.

It is a super-2 number, since 2×425403511² = 361936294342254242, which 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 (425403551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276550 + ... + 278083.

It is an arithmetic number, because the mean of its divisors is an integer number (58236570).

Almost surely, 2^425403511 is an apocalyptic number.

425403511 is a deficient number, since it is larger than the sum of its proper divisors (40489049).

425403511 is a wasteful number, since it uses less digits than its factorization.

425403511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554705.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 425403511 is about 20625.3123855131. The cubic root of 425403511 is about 752.0851668811.

The spelling of 425403511 in words is "four hundred twenty-five million, four hundred three thousand, five hundred eleven".