1425297654 has 128 divisors (see below), whose sum is σ = 3715891200. Its totient is φ = 400321440.

The previous prime is 1425297641. The next prime is 1425297659. The reversal of 1425297654 is 4567925241.

1425297654 is a `hidden beast` number, since 1 + 4 + 2 + 529 + 76 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425297659) 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, 529099 + ... + 531785.

It is an arithmetic number, because the mean of its divisors is an integer number (29030400).

Almost surely, 2^1425297654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425297654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857945600).

1425297654 is an abundant number, since it is smaller than the sum of its proper divisors (2290593546).

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

1425297654 is a wasteful number, since it uses less digits than its factorization.

1425297654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2769 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 1425297654 is about 37753.1144940388. The cubic root of 1425297654 is about 1125.3869033677.

The spelling of 1425297654 in words is "one billion, four hundred twenty-five million, two hundred ninety-seven thousand, six hundred fifty-four".