406142525 has 24 divisors (see below), whose sum is σ = 529308384. Its totient is φ = 308750400.

The previous prime is 406142491. The next prime is 406142531. The reversal of 406142525 is 525241604.

It is not a de Polignac number, because 406142525 - 2¹² = 406138429 is a prime.

It is a super-2 number, since 2×406142525² = 329903501226751250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34670 + ... + 44880.

It is an arithmetic number, because the mean of its divisors is an integer number (22054516).

Almost surely, 2^406142525 is an apocalyptic number.

It is an amenable number.

406142525 is a deficient number, since it is larger than the sum of its proper divisors (123165859).

406142525 is a wasteful number, since it uses less digits than its factorization.

406142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301 (or 10296 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 406142525 is about 20152.9780677695. The cubic root of 406142525 is about 740.5586996974.

The spelling of 406142525 in words is "four hundred six million, one hundred forty-two thousand, five hundred twenty-five".