425542515 has 16 divisors (see below), whose sum is σ = 692409600. Its totient is φ = 223108832.

The previous prime is 425542511. The next prime is 425542529. The reversal of 425542515 is 515245524.

It is a cyclic number.

It is not a de Polignac number, because 425542515 - 2² = 425542511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425542511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239535 + ... + 241304.

It is an arithmetic number, because the mean of its divisors is an integer number (43275600).

Almost surely, 2^425542515 is an apocalyptic number.

425542515 is a deficient number, since it is larger than the sum of its proper divisors (266867085).

425542515 is a wasteful number, since it uses less digits than its factorization.

425542515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480906.

The product of its digits is 40000, while the sum is 33.

The square root of 425542515 is about 20628.6818531868. The cubic root of 425542515 is about 752.1670745751.

The spelling of 425542515 in words is "four hundred twenty-five million, five hundred forty-two thousand, five hundred fifteen".