425651511 has 4 divisors (see below), whose sum is σ = 567535352. Its totient is φ = 283767672.

The previous prime is 425651507. The next prime is 425651519. The reversal of 425651511 is 115156524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 425651511 - 2² = 425651507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425651519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70941916 + ... + 70941921.

It is an arithmetic number, because the mean of its divisors is an integer number (141883838).

Almost surely, 2^425651511 is an apocalyptic number.

425651511 is a deficient number, since it is larger than the sum of its proper divisors (141883841).

425651511 is a wasteful number, since it uses less digits than its factorization.

425651511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141883840.

The product of its digits is 6000, while the sum is 30.

The square root of 425651511 is about 20631.3235397053. The cubic root of 425651511 is about 752.2312876686.

The spelling of 425651511 in words is "four hundred twenty-five million, six hundred fifty-one thousand, five hundred eleven".