1425194057 has 24 divisors (see below), whose sum is σ = 1758405312. Its totient is φ = 1149271200.

The previous prime is 1425194053. The next prime is 1425194063. The reversal of 1425194057 is 7504915241.

It is not a de Polignac number, because 1425194057 - 2² = 1425194053 is a prime.

It is a super-3 number, since 3×1425194057³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425194057.

It is not an unprimeable number, because it can be changed into a prime (1425194053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58382 + ... + 79112.

It is an arithmetic number, because the mean of its divisors is an integer number (73266888).

Almost surely, 2^1425194057 is an apocalyptic number.

It is an amenable number.

1425194057 is a deficient number, since it is larger than the sum of its proper divisors (333211255).

1425194057 is a wasteful number, since it uses less digits than its factorization.

1425194057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20829 (or 20822 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1425194057 is about 37751.7424366081. The cubic root of 1425194057 is about 1125.3596366580.

The spelling of 1425194057 in words is "one billion, four hundred twenty-five million, one hundred ninety-four thousand, fifty-seven".