425137545 has 64 divisors (see below), whose sum is σ = 867386880. Its totient is φ = 193536000.

The previous prime is 425137529. The next prime is 425137549. The reversal of 425137545 is 545731524.

It is not a de Polignac number, because 425137545 - 2⁴ = 425137529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425137549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264745 + ... + 266345.

It is an arithmetic number, because the mean of its divisors is an integer number (13552920).

Almost surely, 2^425137545 is an apocalyptic number.

425137545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425137545 is an abundant number, since it is smaller than the sum of its proper divisors (442249335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425137545 is a wasteful number, since it uses less digits than its factorization.

425137545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1897 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 425137545 is about 20618.8638144782. The cubic root of 425137545 is about 751.9283974614.

The spelling of 425137545 in words is "four hundred twenty-five million, one hundred thirty-seven thousand, five hundred forty-five".