497701251 has 12 divisors (see below), whose sum is σ = 719347512. Its totient is φ = 331595136.

The previous prime is 497701241. The next prime is 497701291. The reversal of 497701251 is 152107794.

It is a happy number.

It is not a de Polignac number, because 497701251 - 2⁹ = 497700739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497701201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1021 + ... + 31566.

It is an arithmetic number, because the mean of its divisors is an integer number (59945626).

Almost surely, 2^497701251 is an apocalyptic number.

497701251 is a deficient number, since it is larger than the sum of its proper divisors (221646261).

497701251 is a wasteful number, since it uses less digits than its factorization.

497701251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290 (or 34287 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 497701251 is about 22309.2189688478. The cubic root of 497701251 is about 792.4823116327.

The spelling of 497701251 in words is "four hundred ninety-seven million, seven hundred one thousand, two hundred fifty-one".