542465 has 16 divisors (see below), whose sum is σ = 812160. Its totient is φ = 337920.

The previous prime is 542461. The next prime is 542467. The reversal of 542465 is 564245.

It is not a de Polignac number, because 542465 - 2² = 542461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542461) 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, 320 + ... + 1089.

It is an arithmetic number, because the mean of its divisors is an integer number (50760).

2⁵⁴²⁴⁶⁵ is an apocalyptic number.

542465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542465 is a deficient number, since it is larger than the sum of its proper divisors (269695).

542465 is a wasteful number, since it uses less digits than its factorization.

542465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 4800, while the sum is 26.

The square root of 542465 is about 736.5222332014. The cubic root of 542465 is about 81.5562485728.

The spelling of 542465 in words is "five hundred forty-two thousand, four hundred sixty-five".