5402457 has 10 divisors (see below), whose sum is σ = 8070458. Its totient is φ = 3601584.

The previous prime is 5402437. The next prime is 5402471. The reversal of 5402457 is 7542045.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 2509056 = 1701^2 + 1584^2 .

It is not a de Polignac number, because 5402457 - 2⁶ = 5402393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 5402457.

It is not an unprimeable number, because it can be changed into a prime (5402437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33268 + ... + 33429.

Almost surely, 2^5402457 is an apocalyptic number.

It is an amenable number.

5402457 is a deficient number, since it is larger than the sum of its proper divisors (2668001).

5402457 is an equidigital number, since it uses as much as digits as its factorization.

5402457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66709 (or 66700 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 5402457 is about 2324.3186098296. The cubic root of 5402457 is about 175.4676688196.

The spelling of 5402457 in words is "five million, four hundred two thousand, four hundred fifty-seven".