201425497 has 16 divisors (see below), whose sum is σ = 253959552. Its totient is φ = 155479680.

The previous prime is 201425491. The next prime is 201425527. The reversal of 201425497 is 794524102.

It is a cyclic number.

It is not a de Polignac number, because 201425497 - 2³ = 201425489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201425491) 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, 23263 + ... + 30724.

It is an arithmetic number, because the mean of its divisors is an integer number (15872472).

Almost surely, 2^201425497 is an apocalyptic number.

It is an amenable number.

201425497 is a deficient number, since it is larger than the sum of its proper divisors (52534055).

201425497 is a wasteful number, since it uses less digits than its factorization.

201425497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54048.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 201425497 is about 14192.4450677112. The cubic root of 201425497 is about 586.1896525307.

Adding to 201425497 its reverse (794524102), we get a palindrome (995949599).

The spelling of 201425497 in words is "two hundred one million, four hundred twenty-five thousand, four hundred ninety-seven".