425091615 has 48 divisors (see below), whose sum is σ = 748836000. Its totient is φ = 205770240.

The previous prime is 425091587. The next prime is 425091659. The reversal of 425091615 is 516190524.

It is not a de Polignac number, because 425091615 - 2¹⁵ = 425058847 is a prime.

It is a super-2 number, since 2×425091615² = 361405762286616450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153261 + ... + 156009.

It is an arithmetic number, because the mean of its divisors is an integer number (15600750).

Almost surely, 2^425091615 is an apocalyptic number.

425091615 is a deficient number, since it is larger than the sum of its proper divisors (323744385).

425091615 is a wasteful number, since it uses less digits than its factorization.

425091615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 425091615 is about 20617.7499984843. The cubic root of 425091615 is about 751.9013181350.

The spelling of 425091615 in words is "four hundred twenty-five million, ninety-one thousand, six hundred fifteen".