3540525401 has 16 divisors (see below), whose sum is σ = 4234270464. Its totient is φ = 2894521344.

The previous prime is 3540525397. The next prime is 3540525409. The reversal of 3540525401 is 1045250453.

It is a cyclic number.

It is not a de Polignac number, because 3540525401 - 2² = 3540525397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3540525409) 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, 25685 + ... + 87981.

It is an arithmetic number, because the mean of its divisors is an integer number (264641904).

Almost surely, 2^3540525401 is an apocalyptic number.

It is an amenable number.

3540525401 is a deficient number, since it is larger than the sum of its proper divisors (693745063).

3540525401 is a wasteful number, since it uses less digits than its factorization.

3540525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62680.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3540525401 is about 59502.3142491114. The cubic root of 3540525401 is about 1524.1319651653.

Adding to 3540525401 its reverse (1045250453), we get a palindrome (4585775854).

It can be divided in two parts, 35405 and 25401, that added together give a palindrome (60806).

The spelling of 3540525401 in words is "three billion, five hundred forty million, five hundred twenty-five thousand, four hundred one".